64751480 has 64 divisors (see below), whose sum is σ = 152094240. Its totient is φ = 24786432.

The previous prime is 64751473. The next prime is 64751501. The reversal of 64751480 is 8415746.

It is a self number, because there is not a number n which added to its sum of digits gives 64751480.

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, 98834 + ... + 99486.

Almost surely, 2^64751480 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 64751480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76047120).

64751480 is an abundant number, since it is smaller than the sum of its proper divisors (87342760).

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

64751480 is a wasteful number, since it uses less digits than its factorization.

64751480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 64751480 is about 8046.8304319154. The cubic root of 64751480 is about 401.5594953673.

The spelling of 64751480 in words is "sixty-four million, seven hundred fifty-one thousand, four hundred eighty".