672823501 has 24 divisors (see below), whose sum is σ = 825019520. Its totient is φ = 537345792.

The previous prime is 672823493. The next prime is 672823511. The reversal of 672823501 is 105328276.

It is a happy number.

It is not a de Polignac number, because 672823501 - 2³ = 672823493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672823511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206755 + ... + 209983.

Almost surely, 2^672823501 is an apocalyptic number.

It is an amenable number.

672823501 is a deficient number, since it is larger than the sum of its proper divisors (152196019).

672823501 is a wasteful number, since it uses less digits than its factorization.

672823501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 672823501 is about 25938.8415508480. The cubic root of 672823501 is about 876.2614734324.

The spelling of 672823501 in words is "six hundred seventy-two million, eight hundred twenty-three thousand, five hundred one".