64734132 has 24 divisors (see below), whose sum is σ = 152544672. Its totient is φ = 21364000.

The previous prime is 64734091. The next prime is 64734133. The reversal of 64734132 is 23143746.

It is a self number, because there is not a number n which added to its sum of digits gives 64734132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64734133) 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, 25494 + ... + 27917.

It is an arithmetic number, because the mean of its divisors is an integer number (6356028).

Almost surely, 2^64734132 is an apocalyptic number.

It is an amenable number.

64734132 is an abundant number, since it is smaller than the sum of its proper divisors (87810540).

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

64734132 is a wasteful number, since it uses less digits than its factorization.

64734132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53519 (or 53517 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 64734132 is about 8045.7524197554. The cubic root of 64734132 is about 401.5236306718.

Adding to 64734132 its reverse (23143746), we get a palindrome (87877878).

The spelling of 64734132 in words is "sixty-four million, seven hundred thirty-four thousand, one hundred thirty-two".