38780772 has 24 divisors (see below), whose sum is σ = 93609600. Its totient is φ = 12481056.

The previous prime is 38780761. The next prime is 38780813. The reversal of 38780772 is 27708783.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55372 + ... + 56067.

It is an arithmetic number, because the mean of its divisors is an integer number (3900400).

Almost surely, 2^38780772 is an apocalyptic number.

It is an amenable number.

38780772 is an abundant number, since it is smaller than the sum of its proper divisors (54828828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38780772 is a wasteful number, since it uses less digits than its factorization.

38780772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111475 (or 111473 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 38780772 is about 6227.4209750104. The cubic root of 38780772 is about 338.4845238734.

The spelling of 38780772 in words is "thirty-eight million, seven hundred eighty thousand, seven hundred seventy-two".