70459920 has 60 divisors (see below), whose sum is σ = 236630316. Its totient is φ = 18789120.

The previous prime is 70459919. The next prime is 70459933. The reversal of 70459920 is 2995407.

It can be written as a sum of positive squares in 2 ways, for example, as 43086096 + 27373824 = 6564^2 + 5232^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48211 + ... + 49650.

Almost surely, 2^70459920 is an apocalyptic number.

It is an amenable number.

70459920 is an abundant number, since it is smaller than the sum of its proper divisors (166170396).

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

70459920 is a wasteful number, since it uses less digits than its factorization.

70459920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97880 (or 97871 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 70459920 is about 8394.0407432893. The cubic root of 70459920 is about 413.0291611144.

The spelling of 70459920 in words is "seventy million, four hundred fifty-nine thousand, nine hundred twenty".