70503816 has 32 divisors (see below), whose sum is σ = 177883200. Its totient is φ = 23284800.

The previous prime is 70503803. The next prime is 70503821. The reversal of 70503816 is 61830507.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10860 + ... + 16091.

It is an arithmetic number, because the mean of its divisors is an integer number (5558850).

Almost surely, 2^70503816 is an apocalyptic number.

It is an amenable number.

70503816 is an abundant number, since it is smaller than the sum of its proper divisors (107379384).

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

70503816 is a wasteful number, since it uses less digits than its factorization.

70503816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27069 (or 27065 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 70503816 is about 8396.6550482916. The cubic root of 70503816 is about 413.1149146621.

The spelling of 70503816 in words is "seventy million, five hundred three thousand, eight hundred sixteen".