722674586 has 4 divisors (see below), whose sum is σ = 1084011882. Its totient is φ = 361337292.

The previous prime is 722674567. The next prime is 722674591. The reversal of 722674586 is 685476227.

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., 681471025 + 41203561 = 26105^2 + 6419^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 722674586.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180668645 + ... + 180668648.

Almost surely, 2^722674586 is an apocalyptic number.

722674586 is a deficient number, since it is larger than the sum of its proper divisors (361337296).

722674586 is a wasteful number, since it uses less digits than its factorization.

722674586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361337295.

The product of its digits is 1128960, while the sum is 47.

The square root of 722674586 is about 26882.6075000176. The cubic root of 722674586 is about 897.3893837182.

The spelling of 722674586 in words is "seven hundred twenty-two million, six hundred seventy-four thousand, five hundred eighty-six".