39672057 has 16 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 24921792.

The previous prime is 39672053. The next prime is 39672077. The reversal of 39672057 is 75027693.

It is not a de Polignac number, because 39672057 - 2² = 39672053 is a prime.

It is a super-2 number, since 2×39672057² = 3147744213222498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39672053) 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, 9463 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (3498660).

Almost surely, 2^39672057 is an apocalyptic number.

It is an amenable number.

39672057 is a deficient number, since it is larger than the sum of its proper divisors (16306503).

39672057 is a wasteful number, since it uses less digits than its factorization.

39672057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 39672057 is about 6298.5757913992. The cubic root of 39672057 is about 341.0579990384.

The spelling of 39672057 in words is "thirty-nine million, six hundred seventy-two thousand, fifty-seven".