64748592 has 80 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 21268800.

The previous prime is 64748543. The next prime is 64748609. The reversal of 64748592 is 29584746.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29617 + ... + 31727.

It is an arithmetic number, because the mean of its divisors is an integer number (2356992).

Almost surely, 2^64748592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64748592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94279680).

64748592 is an abundant number, since it is smaller than the sum of its proper divisors (123810768).

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

64748592 is a wasteful number, since it uses less digits than its factorization.

64748592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2187 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 64748592 is about 8046.6509803769. The cubic root of 64748592 is about 401.5535252538.

The spelling of 64748592 in words is "sixty-four million, seven hundred forty-eight thousand, five hundred ninety-two".