36721312 has 24 divisors (see below), whose sum is σ = 73979136. Its totient is φ = 17932992.

The previous prime is 36721303. The next prime is 36721327. The reversal of 36721312 is 21312763.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11968 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (3082464).

Almost surely, 2^36721312 is an apocalyptic number.

36721312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

36721312 is an abundant number, since it is smaller than the sum of its proper divisors (37257824).

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

36721312 is a wasteful number, since it uses less digits than its factorization.

36721312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26740 (or 26732 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 36721312 is about 6059.8112181816. The cubic root of 36721312 is about 332.3834539810.

The spelling of 36721312 in words is "thirty-six million, seven hundred twenty-one thousand, three hundred twelve".