70328456 has 64 divisors (see below), whose sum is σ = 155364480. Its totient is φ = 29486080.

The previous prime is 70328431. The next prime is 70328483. The reversal of 70328456 is 65482307.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78845 + ... + 79731.

It is an arithmetic number, because the mean of its divisors is an integer number (2427570).

Almost surely, 2^70328456 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 70328456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77682240).

70328456 is an abundant number, since it is smaller than the sum of its proper divisors (85036024).

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

70328456 is a wasteful number, since it uses less digits than its factorization.

70328456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 70328456 is about 8386.2062936706. The cubic root of 70328456 is about 412.7721248178.

The spelling of 70328456 in words is "seventy million, three hundred twenty-eight thousand, four hundred fifty-six".