70663436 has 12 divisors (see below), whose sum is σ = 123721920. Its totient is φ = 35314320.

The previous prime is 70663423. The next prime is 70663487. The reversal of 70663436 is 63436607.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70663396 and 70663405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10181 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (10310160).

Almost surely, 2^70663436 is an apocalyptic number.

It is an amenable number.

70663436 is a deficient number, since it is larger than the sum of its proper divisors (53058484).

70663436 is a wasteful number, since it uses less digits than its factorization.

70663436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8704 (or 8702 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 70663436 is about 8406.1546500169. The cubic root of 70663436 is about 413.4264424883.

The spelling of 70663436 in words is "seventy million, six hundred sixty-three thousand, four hundred thirty-six".