70722938 has 32 divisors (see below), whose sum is σ = 128943360. Its totient is φ = 28647360.

The previous prime is 70722901. The next prime is 70722943. The reversal of 70722938 is 83922707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 2^70722938 is an apocalyptic number.

70722938 is a deficient number, since it is larger than the sum of its proper divisors (58220422).

70722938 is a wasteful number, since it uses less digits than its factorization.

70722938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8582.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70722938 is about 8409.6930978485. The cubic root of 70722938 is about 413.5424515593.

The spelling of 70722938 in words is "seventy million, seven hundred twenty-two thousand, nine hundred thirty-eight".