64076631 has 24 divisors (see below), whose sum is σ = 89678160. Its totient is φ = 40690944.

The previous prime is 64076611. The next prime is 64076633. The reversal of 64076631 is 13667046.

It is not a de Polignac number, because 64076631 - 2⁵ = 64076599 is a prime.

It is a super-2 number, since 2×64076631² = 8211629280620322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64076592 and 64076601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64076633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274891 + ... + 275123.

It is an arithmetic number, because the mean of its divisors is an integer number (3736590).

Almost surely, 2^64076631 is an apocalyptic number.

64076631 is a deficient number, since it is larger than the sum of its proper divisors (25601529).

64076631 is a wasteful number, since it uses less digits than its factorization.

64076631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 64076631 is about 8004.7880046882. The cubic root of 64076631 is about 400.1595842404.

The spelling of 64076631 in words is "sixty-four million, seventy-six thousand, six hundred thirty-one".