64741632 has 36 divisors (see below), whose sum is σ = 172309200. Its totient is φ = 21580288.

The previous prime is 64741603. The next prime is 64741637. The reversal of 64741632 is 23614746.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64741593 and 64741602.

It is not an unprimeable number, because it can be changed into a prime (64741637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41382 + ... + 42917.

Almost surely, 2^64741632 is an apocalyptic number.

It is an amenable number.

64741632 is an abundant number, since it is smaller than the sum of its proper divisors (107567568).

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

64741632 is an equidigital number, since it uses as much as digits as its factorization.

64741632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84318 (or 84304 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 64741632 is about 8046.2184906949. The cubic root of 64741632 is about 401.5391367160.

The spelling of 64741632 in words is "sixty-four million, seven hundred forty-one thousand, six hundred thirty-two".