722426674 has 4 divisors (see below), whose sum is σ = 1083640014. Its totient is φ = 361213336.

The previous prime is 722426647. The next prime is 722426689. The reversal of 722426674 is 476624227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 593263449 + 129163225 = 24357^2 + 11365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180606667 + ... + 180606670.

Almost surely, 2^722426674 is an apocalyptic number.

722426674 is a deficient number, since it is larger than the sum of its proper divisors (361213340).

722426674 is a wasteful number, since it uses less digits than its factorization.

722426674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361213339.

The product of its digits is 225792, while the sum is 40.

The square root of 722426674 is about 26877.9960934591. The cubic root of 722426674 is about 897.2867561337.

The spelling of 722426674 in words is "seven hundred twenty-two million, four hundred twenty-six thousand, six hundred seventy-four".