672776604 has 42 divisors (see below), whose sum is σ = 1765238720. Its totient is φ = 224257896.

The previous prime is 672776593. The next prime is 672776623. The reversal of 672776604 is 406677276.

It is a self number, because there is not a number n which added to its sum of digits gives 672776604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 112444 + ... + 118275.

Almost surely, 2^672776604 is an apocalyptic number.

It is an amenable number.

672776604 is an abundant number, since it is smaller than the sum of its proper divisors (1092462116).

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

672776604 is a wasteful number, since it uses less digits than its factorization.

672776604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230741 (or 230724 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 672776604 is about 25937.9375432975. The cubic root of 672776604 is about 876.2411139627.

It can be divided in two parts, 672776 and 604, that added together give a triangular number (673380 = T₁₁₆₀).

The spelling of 672776604 in words is "six hundred seventy-two million, seven hundred seventy-six thousand, six hundred four".