38072457 has 16 divisors (see below), whose sum is σ = 56647360. Its totient is φ = 25272000.

The previous prime is 38072453. The next prime is 38072459. The reversal of 38072457 is 75427083.

It is not a de Polignac number, because 38072457 - 2² = 38072453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38072453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3582 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (3540460).

Almost surely, 2^38072457 is an apocalyptic number.

It is an amenable number.

38072457 is a deficient number, since it is larger than the sum of its proper divisors (18574903).

38072457 is a wasteful number, since it uses less digits than its factorization.

38072457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101 (or 6095 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 38072457 is about 6170.2882428619. The cubic root of 38072457 is about 336.4110880374.

The spelling of 38072457 in words is "thirty-eight million, seventy-two thousand, four hundred fifty-seven".