38070657 has 12 divisors (see below), whose sum is σ = 55559140. Its totient is φ = 25118208.

The previous prime is 38070647. The next prime is 38070691. The reversal of 38070657 is 75607083.

It can be written as a sum of positive squares in 2 ways, for example, as 8520561 + 29550096 = 2919^2 + 5436^2 .

It is not a de Polignac number, because 38070657 - 2⁸ = 38070401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38070647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20932 + ... + 22677.

Almost surely, 2^38070657 is an apocalyptic number.

It is an amenable number.

38070657 is a deficient number, since it is larger than the sum of its proper divisors (17488483).

38070657 is a wasteful number, since it uses less digits than its factorization.

38070657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43712 (or 43709 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 38070657 is about 6170.1423808531. The cubic root of 38070657 is about 336.4057863088.

The spelling of 38070657 in words is "thirty-eight million, seventy thousand, six hundred fifty-seven".