70023618 has 24 divisors (see below), whose sum is σ = 173392128. Its totient is φ = 20006712.

The previous prime is 70023587. The next prime is 70023641. The reversal of 70023618 is 81632007.

It is a junction number, because it is equal to n+sod(n) for n = 70023591 and 70023600.

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, 277746 + ... + 277997.

It is an arithmetic number, because the mean of its divisors is an integer number (7224672).

Almost surely, 2^70023618 is an apocalyptic number.

70023618 is an abundant number, since it is smaller than the sum of its proper divisors (103368510).

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

70023618 is a wasteful number, since it uses less digits than its factorization.

70023618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555758 (or 555755 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70023618 is about 8368.0115917702. The cubic root of 70023618 is about 412.1748754909.

The spelling of 70023618 in words is "seventy million, twenty-three thousand, six hundred eighteen".