63373916 has 12 divisors (see below), whose sum is σ = 113483832. Its totient is φ = 30949968.

The previous prime is 63373913. The next prime is 63373931. The reversal of 63373916 is 61937336.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63373916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63373913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184055 + ... + 184398.

It is an arithmetic number, because the mean of its divisors is an integer number (9456986).

Almost surely, 2^63373916 is an apocalyptic number.

It is an amenable number.

63373916 is a deficient number, since it is larger than the sum of its proper divisors (50109916).

63373916 is a wasteful number, since it uses less digits than its factorization.

63373916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368500 (or 368498 counting only the distinct ones).

The product of its digits is 61236, while the sum is 38.

The square root of 63373916 is about 7960.7735805008. The cubic root of 63373916 is about 398.6913817981.

The spelling of 63373916 in words is "sixty-three million, three hundred seventy-three thousand, nine hundred sixteen".