371840772 has 12 divisors (see below), whose sum is σ = 867628496. Its totient is φ = 123946920.

The previous prime is 371840771. The next prime is 371840783. The reversal of 371840772 is 277048173.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 371840772.

It is not an unprimeable number, because it can be changed into a prime (371840771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15493354 + ... + 15493377.

Almost surely, 2^371840772 is an apocalyptic number.

It is an amenable number.

371840772 is an abundant number, since it is smaller than the sum of its proper divisors (495787724).

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

371840772 is a wasteful number, since it uses less digits than its factorization.

371840772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30986738 (or 30986736 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 371840772 is about 19283.1732865729. The cubic root of 371840772 is about 719.0940070509.

The spelling of 371840772 in words is "three hundred seventy-one million, eight hundred forty thousand, seven hundred seventy-two".