38723074 has 16 divisors (see below), whose sum is σ = 62673912. Its totient is φ = 17837568.

The previous prime is 38723051. The next prime is 38723077. The reversal of 38723074 is 47032783.

It can be written as a sum of positive squares in 4 ways, for example, as 34751025 + 3972049 = 5895^2 + 1993^2 .

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 (38723077) 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, 16392 + ... + 18604.

Almost surely, 2^38723074 is an apocalyptic number.

38723074 is a deficient number, since it is larger than the sum of its proper divisors (23950838).

38723074 is a wasteful number, since it uses less digits than its factorization.

38723074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 38723074 is about 6222.7866747945. The cubic root of 38723074 is about 338.3165748910.

The spelling of 38723074 in words is "thirty-eight million, seven hundred twenty-three thousand, seventy-four".