672494505 has 16 divisors (see below), whose sum is σ = 1102235904. Its totient is φ = 349915520.

The previous prime is 672494497. The next prime is 672494509. The reversal of 672494505 is 505494276.

It is not a de Polignac number, because 672494505 - 2³ = 672494497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672494509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546129 + ... + 547358.

It is an arithmetic number, because the mean of its divisors is an integer number (68889744).

Almost surely, 2^672494505 is an apocalyptic number.

It is an amenable number.

672494505 is a deficient number, since it is larger than the sum of its proper divisors (429741399).

672494505 is a wasteful number, since it uses less digits than its factorization.

672494505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093536.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 672494505 is about 25932.4990118577. The cubic root of 672494505 is about 876.1186259047.

The spelling of 672494505 in words is "six hundred seventy-two million, four hundred ninety-four thousand, five hundred five".