49704840 has 240 divisors, whose sum is σ = 180665100. Its totient is φ = 12241152.

The previous prime is 49704839. The next prime is 49704841. The reversal of 49704840 is 4840794.

It is an interprime number because it is at equal distance from previous prime (49704839) and next prime (49704841).

It can be written as a sum of positive squares in 2 ways, for example, as 49533444 + 171396 = 7038^2 + 414^2 .

It is a super-2 number, since 2×49704840² = 4941142238851200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49704795 and 49704804.

It is not an unprimeable number, because it can be changed into a prime (49704841) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1713946 + ... + 1713974.

Almost surely, 2^49704840 is an apocalyptic number.

49704840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49704840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90332550).

49704840 is an abundant number, since it is smaller than the sum of its proper divisors (130960260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49704840 is a wasteful number, since it uses less digits than its factorization.

49704840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 49704840 is about 7050.1659554935. The cubic root of 49704840 is about 367.6767995618.

The spelling of 49704840 in words is "forty-nine million, seven hundred four thousand, eight hundred forty".