376721564 has 12 divisors (see below), whose sum is σ = 698043024. Its totient is φ = 177280704.

The previous prime is 376721557. The next prime is 376721593. The reversal of 376721564 is 465127673.

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 3 ways as a sum of consecutive naturals, for example, 2769944 + ... + 2770079.

It is an arithmetic number, because the mean of its divisors is an integer number (58170252).

Almost surely, 2^376721564 is an apocalyptic number.

376721564 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

376721564 is a deficient number, since it is larger than the sum of its proper divisors (321321460).

376721564 is a wasteful number, since it uses less digits than its factorization.

376721564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540044 (or 5540042 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 376721564 is about 19409.3164227904. The cubic root of 376721564 is about 722.2266229458.

The spelling of 376721564 in words is "three hundred seventy-six million, seven hundred twenty-one thousand, five hundred sixty-four".