70397120 has 56 divisors (see below), whose sum is σ = 168706800. Its totient is φ = 27978752.

The previous prime is 70397113. The next prime is 70397167. The reversal of 70397120 is 2179307.

It is a happy 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, 56666 + ... + 57894.

Almost surely, 2^70397120 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 70397120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84353400).

70397120 is an abundant number, since it is smaller than the sum of its proper divisors (98309680).

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

70397120 is a wasteful number, since it uses less digits than its factorization.

70397120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70397120 is about 8390.2991603399. The cubic root of 70397120 is about 412.9064154870.

The spelling of 70397120 in words is "seventy million, three hundred ninety-seven thousand, one hundred twenty".