672509476 has 12 divisors (see below), whose sum is σ = 1177639708. Its totient is φ = 336040992.

The previous prime is 672509473. The next prime is 672509483. The reversal of 672509476 is 674905276.

It can be written as a sum of positive squares in 2 ways, for example, as 226201600 + 446307876 = 15040^2 + 21126^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a pancake number, because a pancake can be divided into 672509476 parts by 36674 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (672509473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46251 + ... + 59026.

Almost surely, 2^672509476 is an apocalyptic number.

It is an amenable number.

672509476 is a deficient number, since it is larger than the sum of its proper divisors (505130232).

672509476 is a wasteful number, since it uses less digits than its factorization.

672509476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106878 (or 106876 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 672509476 is about 25932.7876634966. The cubic root of 672509476 is about 876.1251272092.

The spelling of 672509476 in words is "six hundred seventy-two million, five hundred nine thousand, four hundred seventy-six".