64634514 has 16 divisors (see below), whose sum is σ = 147736128. Its totient is φ = 18466992.

The previous prime is 64634509. The next prime is 64634519. The reversal of 64634514 is 41543646.

It is an interprime number because it is at equal distance from previous prime (64634509) and next prime (64634519).

It is not an unprimeable number, because it can be changed into a prime (64634519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769417 + ... + 769500.

It is an arithmetic number, because the mean of its divisors is an integer number (9233508).

Almost surely, 2^64634514 is an apocalyptic number.

64634514 is an abundant number, since it is smaller than the sum of its proper divisors (83101614).

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

64634514 is a wasteful number, since it uses less digits than its factorization.

64634514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538929.

The product of its digits is 34560, while the sum is 33.

The square root of 64634514 is about 8039.5593162810. The cubic root of 64634514 is about 401.3175594940.

The spelling of 64634514 in words is "sixty-four million, six hundred thirty-four thousand, five hundred fourteen".