63374913 has 64 divisors (see below), whose sum is σ = 114278400. Its totient is φ = 33929280.

The previous prime is 63374911. The next prime is 63374921. The reversal of 63374913 is 31947336.

63374913 = 152² + 153² + ... + 578².

63374913 is a `hidden beast` number, since 633 + 7 + 4 + 9 + 13 = 666.

It is not a de Polignac number, because 63374913 - 2¹ = 63374911 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63374911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 265048 + ... + 265286.

It is an arithmetic number, because the mean of its divisors is an integer number (1785600).

Almost surely, 2^63374913 is an apocalyptic number.

63374913 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

63374913 is a deficient number, since it is larger than the sum of its proper divisors (50903487).

63374913 is a wasteful number, since it uses less digits than its factorization.

63374913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 63374913 is about 7960.8361997971. The cubic root of 63374913 is about 398.6934725280.

The spelling of 63374913 in words is "sixty-three million, three hundred seventy-four thousand, nine hundred thirteen".