722454676 has 6 divisors (see below), whose sum is σ = 1264295690. Its totient is φ = 361227336.

The previous prime is 722454611. The next prime is 722454701. The reversal of 722454676 is 676454227.

It can be written as a sum of positive squares in only one way, i.e., 565203076 + 157251600 = 23774^2 + 12540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90306831 + ... + 90306838.

Almost surely, 2^722454676 is an apocalyptic number.

It is an amenable number.

722454676 is a deficient number, since it is larger than the sum of its proper divisors (541841014).

722454676 is a wasteful number, since it uses less digits than its factorization.

722454676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180613673 (or 180613671 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 722454676 is about 26878.5169977810. The cubic root of 722454676 is about 897.2983492361.

The spelling of 722454676 in words is "seven hundred twenty-two million, four hundred fifty-four thousand, six hundred seventy-six".