70642336 has 24 divisors (see below), whose sum is σ = 139920480. Its totient is φ = 35107008.

The previous prime is 70642333. The next prime is 70642357. The reversal of 70642336 is 63324607.

It is a junction number, because it is equal to n+sod(n) for n = 70642298 and 70642307.

It is not an unprimeable number, because it can be changed into a prime (70642333) 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, 1266 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (5830020).

Almost surely, 2^70642336 is an apocalyptic number.

It is an amenable number.

70642336 is a deficient number, since it is larger than the sum of its proper divisors (69278144).

70642336 is a wasteful number, since it uses less digits than its factorization.

70642336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13396 (or 13388 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 70642336 is about 8404.8995234922. The cubic root of 70642336 is about 413.3852888788.

The spelling of 70642336 in words is "seventy million, six hundred forty-two thousand, three hundred thirty-six".