672752993 has 4 divisors (see below), whose sum is σ = 733912368. Its totient is φ = 611593620.

The previous prime is 672752959. The next prime is 672753077. The reversal of 672752993 is 399257276.

It is a happy number.

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 672752993 - 2¹⁰ = 672751969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672752923) 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, 30579671 + ... + 30579692.

It is an arithmetic number, because the mean of its divisors is an integer number (183478092).

Almost surely, 2^672752993 is an apocalyptic number.

It is an amenable number.

672752993 is a deficient number, since it is larger than the sum of its proper divisors (61159375).

672752993 is a wasteful number, since it uses less digits than its factorization.

672752993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61159374.

The product of its digits is 1428840, while the sum is 50.

The square root of 672752993 is about 25937.4823951747. The cubic root of 672752993 is about 876.2308633234.

The spelling of 672752993 in words is "six hundred seventy-two million, seven hundred fifty-two thousand, nine hundred ninety-three".