38749772 has 6 divisors (see below), whose sum is σ = 67812108. Its totient is φ = 19374884.

The previous prime is 38749769. The next prime is 38749793. The reversal of 38749772 is 27794783.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843718 + ... + 4843725.

It is an arithmetic number, because the mean of its divisors is an integer number (11302018).

Almost surely, 2^38749772 is an apocalyptic number.

It is an amenable number.

38749772 is a deficient number, since it is larger than the sum of its proper divisors (29062336).

38749772 is a wasteful number, since it uses less digits than its factorization.

38749772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687447 (or 9687445 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 38749772 is about 6224.9314855667. The cubic root of 38749772 is about 338.3943089133.

The spelling of 38749772 in words is "thirty-eight million, seven hundred forty-nine thousand, seven hundred seventy-two".