64732995 has 48 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 33583680.

The previous prime is 64732951. The next prime is 64732999. The reversal of 64732995 is 59923746.

It is a happy number.

It is not a de Polignac number, because 64732995 - 2⁹ = 64732483 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

Its product of digits (408240) is a multiple of the sum of its prime factors (360).

It is a self number, because there is not a number n which added to its sum of digits gives 64732995.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64732999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 465636 + ... + 465774.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2^64732995 is an apocalyptic number.

64732995 is a deficient number, since it is larger than the sum of its proper divisors (50582205).

64732995 is a wasteful number, since it uses less digits than its factorization.

64732995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 357 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 64732995 is about 8045.6817610442. The cubic root of 64732995 is about 401.5212798509.

Subtracting from 64732995 its reverse (59923746), we obtain a square (4809249 = 2193²).

The spelling of 64732995 in words is "sixty-four million, seven hundred thirty-two thousand, nine hundred ninety-five".