70263872 has 84 divisors (see below), whose sum is σ = 165104064. Its totient is φ = 29057280.

The previous prime is 70263871. The next prime is 70263877. The reversal of 70263872 is 27836207.

It is not an unprimeable number, because it can be changed into a prime (70263871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 989597 + ... + 989667.

Almost surely, 2^70263872 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 70263872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82552032).

70263872 is an abundant number, since it is smaller than the sum of its proper divisors (94840192).

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

70263872 is an equidigital number, since it uses as much as digits as its factorization.

70263872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 70263872 is about 8382.3548004126. The cubic root of 70263872 is about 412.6457338758.

The spelling of 70263872 in words is "seventy million, two hundred sixty-three thousand, eight hundred seventy-two".