49737840 has 40 divisors (see below), whose sum is σ = 154188048. Its totient is φ = 13263360.

The previous prime is 49737829. The next prime is 49737851. The reversal of 49737840 is 4873794.

It is an interprime number because it is at equal distance from previous prime (49737829) and next prime (49737851).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 49737792 and 49737801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103381 + ... + 103860.

Almost surely, 2^49737840 is an apocalyptic number.

49737840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49737840 is an abundant number, since it is smaller than the sum of its proper divisors (104450208).

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

49737840 is a wasteful number, since it uses less digits than its factorization.

49737840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207257 (or 207251 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 49737840 is about 7052.5059376083. The cubic root of 49737840 is about 367.7581507956.

The spelling of 49737840 in words is "forty-nine million, seven hundred thirty-seven thousand, eight hundred forty".