38725790 has 32 divisors (see below), whose sum is σ = 73327680. Its totient is φ = 14696704.

The previous prime is 38725787. The next prime is 38725793. The reversal of 38725790 is 9752783.

It is an interprime number because it is at equal distance from previous prime (38725787) and next prime (38725793).

It is a super-2 number, since 2×38725790² = 2999373622248200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38725793) 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, 30896 + ... + 32124.

It is an arithmetic number, because the mean of its divisors is an integer number (2291490).

Almost surely, 2^38725790 is an apocalyptic number.

38725790 is a deficient number, since it is larger than the sum of its proper divisors (34601890).

38725790 is a wasteful number, since it uses less digits than its factorization.

38725790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 38725790 is about 6223.0049011711. The cubic root of 38725790 is about 338.3244844415.

The spelling of 38725790 in words is "thirty-eight million, seven hundred twenty-five thousand, seven hundred ninety".