36921968 has 10 divisors (see below), whose sum is σ = 71536344. Its totient is φ = 18460976.

The previous prime is 36921949. The next prime is 36921971. The reversal of 36921968 is 86912963.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153796 + ... + 1153827.

Almost surely, 2^36921968 is an apocalyptic number.

It is an amenable number.

36921968 is a deficient number, since it is larger than the sum of its proper divisors (34614376).

36921968 is a wasteful number, since it uses less digits than its factorization.

36921968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307631 (or 2307625 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 36921968 is about 6076.3449539999. The cubic root of 36921968 is about 332.9877681000.

The spelling of 36921968 in words is "thirty-six million, nine hundred twenty-one thousand, nine hundred sixty-eight".