38779072 has 28 divisors (see below), whose sum is σ = 77166216. Its totient is φ = 19335680.

The previous prime is 38779049. The next prime is 38779073. The reversal of 38779072 is 27097783.

It is not an unprimeable number, because it can be changed into a prime (38779073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32763 + ... + 33925.

Almost surely, 2^38779072 is an apocalyptic number.

38779072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38779072 is a deficient number, since it is larger than the sum of its proper divisors (38387144).

38779072 is a wasteful number, since it uses less digits than its factorization.

38779072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 38779072 is about 6227.2844804136. The cubic root of 38779072 is about 338.4795778476.

The spelling of 38779072 in words is "thirty-eight million, seven hundred seventy-nine thousand, seventy-two".