722834172 has 24 divisors (see below), whose sum is σ = 1874014800. Its totient is φ = 240944688.

The previous prime is 722834153. The next prime is 722834191. The reversal of 722834172 is 271438227.

It is an interprime number because it is at equal distance from previous prime (722834153) and next prime (722834191).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346347 + ... + 3346562.

It is an arithmetic number, because the mean of its divisors is an integer number (78083950).

Almost surely, 2^722834172 is an apocalyptic number.

It is an amenable number.

722834172 is an abundant number, since it is smaller than the sum of its proper divisors (1151180628).

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

722834172 is a wasteful number, since it uses less digits than its factorization.

722834172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692922 (or 6692914 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 722834172 is about 26885.5755378233. The cubic root of 722834172 is about 897.4554347665.

The spelling of 722834172 in words is "seven hundred twenty-two million, eight hundred thirty-four thousand, one hundred seventy-two".