70397964 has 288 divisors, whose sum is σ = 245952000. Its totient is φ = 16982784.

The previous prime is 70397953. The next prime is 70397981. The reversal of 70397964 is 46979307.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2427502 + ... + 2427530.

It is an arithmetic number, because the mean of its divisors is an integer number (854000).

Almost surely, 2^70397964 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 70397964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122976000).

70397964 is an abundant number, since it is smaller than the sum of its proper divisors (175554036).

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

70397964 is a wasteful number, since it uses less digits than its factorization.

70397964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 70397964 is about 8390.3494563695. The cubic root of 70397964 is about 412.9080656095.

The spelling of 70397964 in words is "seventy million, three hundred ninety-seven thousand, nine hundred sixty-four".