70664480 has 48 divisors (see below), whose sum is σ = 170843904. Its totient is φ = 27605760.

The previous prime is 70664471. The next prime is 70664497. The reversal of 70664480 is 8446607.

It is a self number, because there is not a number n which added to its sum of digits gives 70664480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (3559248).

Almost surely, 2^70664480 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 70664480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85421952).

70664480 is an abundant number, since it is smaller than the sum of its proper divisors (100179424).

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

70664480 is a wasteful number, since it uses less digits than its factorization.

70664480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329 (or 10321 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 70664480 is about 8406.2167471461. The cubic root of 70664480 is about 413.4284785015.

The spelling of 70664480 in words is "seventy million, six hundred sixty-four thousand, four hundred eighty".