63540974 has 8 divisors (see below), whose sum is σ = 108927408. Its totient is φ = 27231840.

The previous prime is 63540947. The next prime is 63540977. The reversal of 63540974 is 47904536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540977) 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, 2269307 + ... + 2269334.

It is an arithmetic number, because the mean of its divisors is an integer number (13615926).

Almost surely, 2^63540974 is an apocalyptic number.

63540974 is a deficient number, since it is larger than the sum of its proper divisors (45386434).

63540974 is a wasteful number, since it uses less digits than its factorization.

63540974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538650.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 63540974 is about 7971.2592480737. The cubic root of 63540974 is about 399.0414003854.

The spelling of 63540974 in words is "sixty-three million, five hundred forty thousand, nine hundred seventy-four".