70231880 has 64 divisors (see below), whose sum is σ = 166803840. Its totient is φ = 26560512.

The previous prime is 70231877. The next prime is 70231901. The reversal of 70231880 is 8813207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88847 + ... + 89633.

It is an arithmetic number, because the mean of its divisors is an integer number (2606310).

Almost surely, 2^70231880 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 70231880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83401920).

70231880 is an abundant number, since it is smaller than the sum of its proper divisors (96571960).

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

70231880 is a wasteful number, since it uses less digits than its factorization.

70231880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 70231880 is about 8380.4462888321. The cubic root of 70231880 is about 412.5830968191.

The spelling of 70231880 in words is "seventy million, two hundred thirty-one thousand, eight hundred eighty".