63937494 has 12 divisors (see below), whose sum is σ = 138531276. Its totient is φ = 21312492.

The previous prime is 63937483. The next prime is 63937537. The reversal of 63937494 is 49473936.

63937494 is a `hidden beast` number, since 639 + 3 + 7 + 4 + 9 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1776024 + ... + 1776059.

It is an arithmetic number, because the mean of its divisors is an integer number (11544273).

Almost surely, 2^63937494 is an apocalyptic number.

63937494 is an abundant number, since it is smaller than the sum of its proper divisors (74593782).

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

63937494 is a wasteful number, since it uses less digits than its factorization.

63937494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552091 (or 3552088 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 63937494 is about 7996.0924206765. The cubic root of 63937494 is about 399.8697367500.

The spelling of 63937494 in words is "sixty-three million, nine hundred thirty-seven thousand, four hundred ninety-four".