70291392 has 56 divisors (see below), whose sum is σ = 186690000. Its totient is φ = 23341056.

The previous prime is 70291387. The next prime is 70291421. The reversal of 70291392 is 29319207.

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, 66484 + ... + 67532.

It is an arithmetic number, because the mean of its divisors is an integer number (3333750).

Almost surely, 2^70291392 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 70291392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93345000).

70291392 is an abundant number, since it is smaller than the sum of its proper divisors (116398608).

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

70291392 is a wasteful number, since it uses less digits than its factorization.

70291392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 70291392 is about 8383.9961832052. The cubic root of 70291392 is about 412.6996000046.

The spelling of 70291392 in words is "seventy million, two hundred ninety-one thousand, three hundred ninety-two".