70752864 has 216 divisors, whose sum is σ = 236575080. Its totient is φ = 18450432.

The previous prime is 70752791. The next prime is 70752883. The reversal of 70752864 is 46825707.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 794932 + ... + 795020.

It is an arithmetic number, because the mean of its divisors is an integer number (1095255).

Almost surely, 2^70752864 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 70752864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118287540).

70752864 is an abundant number, since it is smaller than the sum of its proper divisors (165822216).

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

70752864 is a wasteful number, since it uses less digits than its factorization.

70752864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 70752864 is about 8411.4721660361. The cubic root of 70752864 is about 413.6007726953.

The spelling of 70752864 in words is "seventy million, seven hundred fifty-two thousand, eight hundred sixty-four".