70722372 has 24 divisors (see below), whose sum is σ = 188593216. Its totient is φ = 20206368.

The previous prime is 70722367. The next prime is 70722413. The reversal of 70722372 is 27322707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420883 + ... + 421050.

Almost surely, 2^70722372 is an apocalyptic number.

It is an amenable number.

70722372 is an abundant number, since it is smaller than the sum of its proper divisors (117870844).

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

70722372 is a wasteful number, since it uses less digits than its factorization.

70722372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841947 (or 841945 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 70722372 is about 8409.6594461369. The cubic root of 70722372 is about 413.5413483545.

The spelling of 70722372 in words is "seventy million, seven hundred twenty-two thousand, three hundred seventy-two".