3974312732 has 24 divisors (see below), whose sum is σ = 7497294000. Its totient is φ = 1832524416.

The previous prime is 3974312729. The next prime is 3974312759. The reversal of 3974312732 is 2372134793.

It is a self number, because there is not a number n which added to its sum of digits gives 3974312732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18119 + ... + 90977.

It is an arithmetic number, because the mean of its divisors is an integer number (312387250).

Almost surely, 2^3974312732 is an apocalyptic number.

It is an amenable number.

3974312732 is a deficient number, since it is larger than the sum of its proper divisors (3522981268).

3974312732 is a wasteful number, since it uses less digits than its factorization.

3974312732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73925 (or 73923 counting only the distinct ones).

The product of its digits is 190512, while the sum is 41.

The square root of 3974312732 is about 63042.1504392101. The cubic root of 3974312732 is about 1583.9957524416.

The spelling of 3974312732 in words is "three billion, nine hundred seventy-four million, three hundred twelve thousand, seven hundred thirty-two".