672040762 has 8 divisors (see below), whose sum is σ = 1009139796. Its totient is φ = 335660832.

The previous prime is 672040727. The next prime is 672040763. The reversal of 672040762 is 267040276.

It can be written as a sum of positive squares in 2 ways, for example, as 597753601 + 74287161 = 24449^2 + 8619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (672040763) 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, 177433 + ... + 181180.

Almost surely, 2^672040762 is an apocalyptic number.

672040762 is a deficient number, since it is larger than the sum of its proper divisors (337099034).

672040762 is a wasteful number, since it uses less digits than its factorization.

672040762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359552.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 672040762 is about 25923.7489958532. The cubic root of 672040762 is about 875.9215377345.

The spelling of 672040762 in words is "six hundred seventy-two million, forty thousand, seven hundred sixty-two".