38720572 has 24 divisors (see below), whose sum is σ = 74661552. Its totient is φ = 17424000.

The previous prime is 38720551. The next prime is 38720593. The reversal of 38720572 is 27502783.

38720572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38720551) and next prime (38720593).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88 + ... + 8800.

It is an arithmetic number, because the mean of its divisors is an integer number (3110898).

Almost surely, 2^38720572 is an apocalyptic number.

It is an amenable number.

38720572 is a deficient number, since it is larger than the sum of its proper divisors (35940980).

38720572 is a wasteful number, since it uses less digits than its factorization.

38720572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829 (or 8827 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 38720572 is about 6222.5856362127. The cubic root of 38720572 is about 338.3092882251.

It can be divided in two parts, 38720 and 572, that multiplied together give a triangular number (22147840 = T₆₆₅₅).

The spelling of 38720572 in words is "thirty-eight million, seven hundred twenty thousand, five hundred seventy-two".