70140456 has 96 divisors (see below), whose sum is σ = 197669160. Its totient is φ = 22450176.

The previous prime is 70140451. The next prime is 70140461. The reversal of 70140456 is 65404107.

70140456 is a `hidden beast` number, since 70 + 140 + 456 = 666.

It is an interprime number because it is at equal distance from previous prime (70140451) and next prime (70140461).

It can be written as a sum of positive squares in 4 ways, for example, as 44435556 + 25704900 = 6666^2 + 5070^2 .

It is not an unprimeable number, because it can be changed into a prime (70140451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300916 + ... + 301148.

Almost surely, 2^70140456 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 70140456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98834580).

70140456 is an abundant number, since it is smaller than the sum of its proper divisors (127528704).

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

70140456 is a wasteful number, since it uses less digits than its factorization.

70140456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70140456 is about 8374.9899104417. The cubic root of 70140456 is about 412.4039930837.

The spelling of 70140456 in words is "seventy million, one hundred forty thousand, four hundred fifty-six".