64629495 has 112 divisors (see below), whose sum is σ = 141652800. Its totient is φ = 27620352.

The previous prime is 64629449. The next prime is 64629503. The reversal of 64629495 is 59492646.

It is not a de Polignac number, because 64629495 - 2⁸ = 64629239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64629495.

It is a congruent number.

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 433681 + ... + 433829.

Almost surely, 2^64629495 is an apocalyptic number.

64629495 is an abundant number, since it is smaller than the sum of its proper divisors (77023305).

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

64629495 is a wasteful number, since it uses less digits than its factorization.

64629495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 181 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 64629495 is about 8039.2471662464. The cubic root of 64629495 is about 401.3071715200.

The spelling of 64629495 in words is "sixty-four million, six hundred twenty-nine thousand, four hundred ninety-five".