672358049 has 4 divisors (see below), whose sum is σ = 733481520. Its totient is φ = 611234580.

The previous prime is 672358033. The next prime is 672358079. The reversal of 672358049 is 940853276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 672358049 - 2⁴ = 672358033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672358079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30561719 + ... + 30561740.

It is an arithmetic number, because the mean of its divisors is an integer number (183370380).

Almost surely, 2^672358049 is an apocalyptic number.

It is an amenable number.

672358049 is a deficient number, since it is larger than the sum of its proper divisors (61123471).

672358049 is a wasteful number, since it uses less digits than its factorization.

672358049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61123470.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 672358049 is about 25929.8678939944. The cubic root of 672358049 is about 876.0593640920.

The spelling of 672358049 in words is "six hundred seventy-two million, three hundred fifty-eight thousand, forty-nine".