63613374 has 16 divisors (see below), whose sum is σ = 138792960. Its totient is φ = 19276760.

The previous prime is 63613369. The next prime is 63613391. The reversal of 63613374 is 47331636.

It is a super-2 number, since 2×63613374² = 8093322703327752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481854 + ... + 481985.

It is an arithmetic number, because the mean of its divisors is an integer number (8674560).

Almost surely, 2^63613374 is an apocalyptic number.

63613374 is an abundant number, since it is smaller than the sum of its proper divisors (75179586).

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

63613374 is a wasteful number, since it uses less digits than its factorization.

63613374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963855.

The product of its digits is 27216, while the sum is 33.

The square root of 63613374 is about 7975.7992702926. The cubic root of 63613374 is about 399.1929017430.

The spelling of 63613374 in words is "sixty-three million, six hundred thirteen thousand, three hundred seventy-four".