38725090 has 16 divisors (see below), whose sum is σ = 69789888. Its totient is φ = 15471216.

The previous prime is 38725067. The next prime is 38725091. The reversal of 38725090 is 9052783.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38725091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8809 + ... + 12451.

It is an arithmetic number, because the mean of its divisors is an integer number (4361868).

Almost surely, 2^38725090 is an apocalyptic number.

38725090 is a deficient number, since it is larger than the sum of its proper divisors (31064798).

38725090 is a wasteful number, since it uses less digits than its factorization.

38725090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 38725090 is about 6222.9486579916. The cubic root of 38725090 is about 338.3224459330.

The spelling of 38725090 in words is "thirty-eight million, seven hundred twenty-five thousand, ninety".