672498291 has 16 divisors (see below), whose sum is σ = 967326624. Its totient is φ = 413996544.

The previous prime is 672498289. The next prime is 672498301. The reversal of 672498291 is 192894276.

It is not a de Polignac number, because 672498291 - 2¹ = 672498289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672498291.

It is not an unprimeable number, because it can be changed into a prime (672498251) 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, 121696 + ... + 127101.

It is an arithmetic number, because the mean of its divisors is an integer number (60457914).

Almost surely, 2^672498291 is an apocalyptic number.

672498291 is a deficient number, since it is larger than the sum of its proper divisors (294828333).

672498291 is a wasteful number, since it uses less digits than its factorization.

672498291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248870.

The product of its digits is 435456, while the sum is 48.

The square root of 672498291 is about 25932.5720089620. The cubic root of 672498291 is about 876.1202700217.

The spelling of 672498291 in words is "six hundred seventy-two million, four hundred ninety-eight thousand, two hundred ninety-one".