39157372 has 6 divisors (see below), whose sum is σ = 68525408. Its totient is φ = 19578684.

The previous prime is 39157369. The next prime is 39157373. The reversal of 39157372 is 27375193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39157373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4894668 + ... + 4894675.

Almost surely, 2^39157372 is an apocalyptic number.

It is an amenable number.

39157372 is a deficient number, since it is larger than the sum of its proper divisors (29368036).

39157372 is a wasteful number, since it uses less digits than its factorization.

39157372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789347 (or 9789345 counting only the distinct ones).

The product of its digits is 39690, while the sum is 37.

The square root of 39157372 is about 6257.5851572312. The cubic root of 39157372 is about 339.5766703683.

The spelling of 39157372 in words is "thirty-nine million, one hundred fifty-seven thousand, three hundred seventy-two".