722270376 has 24 divisors (see below), whose sum is σ = 1956149130. Its totient is φ = 240756768.

The previous prime is 722270363. The next prime is 722270383. The reversal of 722270376 is 673072227.

It can be written as a sum of positive squares in only one way, i.e., 487261476 + 235008900 = 22074^2 + 15330^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a self number, because there is not a number n which added to its sum of digits gives 722270376.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5015695 + ... + 5015838.

Almost surely, 2^722270376 is an apocalyptic number.

It is an amenable number.

722270376 is an abundant number, since it is smaller than the sum of its proper divisors (1233878754).

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

722270376 is a wasteful number, since it uses less digits than its factorization.

722270376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031545 (or 10031538 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 722270376 is about 26875.0883905523. The cubic root of 722270376 is about 897.2220417271. Note that the first 3 decimals are identical.

The spelling of 722270376 in words is "seven hundred twenty-two million, two hundred seventy thousand, three hundred seventy-six".