47692440 has 96 divisors (see below), whose sum is σ = 156293280. Its totient is φ = 12612096.

The previous prime is 47692439. The next prime is 47692453. The reversal of 47692440 is 4429674.

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 = 47692395 and 47692404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48837 + ... + 49803.

It is an arithmetic number, because the mean of its divisors is an integer number (1628055).

Almost surely, 2^47692440 is an apocalyptic number.

47692440 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 47692440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78146640).

47692440 is an abundant number, since it is smaller than the sum of its proper divisors (108600840).

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

47692440 is a wasteful number, since it uses less digits than its factorization.

47692440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 47692440 is about 6905.9713292194. The cubic root of 47692440 is about 362.6462414307.

The spelling of 47692440 in words is "forty-seven million, six hundred ninety-two thousand, four hundred forty".