70251456 has 224 divisors, whose sum is σ = 222382080. Its totient is φ = 19353600.

The previous prime is 70251451. The next prime is 70251457. The reversal of 70251456 is 65415207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70251451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1898670 + ... + 1898706.

Almost surely, 2^70251456 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 70251456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111191040).

70251456 is an abundant number, since it is smaller than the sum of its proper divisors (152130624).

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

70251456 is a wasteful number, since it uses less digits than its factorization.

70251456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 70251456 is about 8381.6141643481. The cubic root of 70251456 is about 412.6214268785.

It can be divided in two parts, 70251 and 456, that added together give a palindrome (70707).

The spelling of 70251456 in words is "seventy million, two hundred fifty-one thousand, four hundred fifty-six".