70618432 has 28 divisors (see below), whose sum is σ = 141219936. Its totient is φ = 35035520.

The previous prime is 70618423. The next prime is 70618439. The reversal of 70618432 is 23481607.

It is a junction number, because it is equal to n+sod(n) for n = 70618394 and 70618403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70618439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4173 + ... + 12595.

Almost surely, 2^70618432 is an apocalyptic number.

It is an amenable number.

70618432 is a deficient number, since it is larger than the sum of its proper divisors (70601504).

70618432 is a wasteful number, since it uses less digits than its factorization.

70618432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566 (or 8556 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70618432 is about 8403.4773754678. The cubic root of 70618432 is about 413.3386564235.

The spelling of 70618432 in words is "seventy million, six hundred eighteen thousand, four hundred thirty-two".