672582605 has 4 divisors (see below), whose sum is σ = 807099132. Its totient is φ = 538066080.

The previous prime is 672582601. The next prime is 672582607. The reversal of 672582605 is 506285276.

672582605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 516107524 + 156475081 = 22718^2 + 12509^2 .

It is not a de Polignac number, because 672582605 - 2² = 672582601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672582601) 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, 67258256 + ... + 67258265.

It is an arithmetic number, because the mean of its divisors is an integer number (201774783).

Almost surely, 2^672582605 is an apocalyptic number.

It is an amenable number.

672582605 is a deficient number, since it is larger than the sum of its proper divisors (134516527).

672582605 is a wasteful number, since it uses less digits than its factorization.

672582605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134516526.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 672582605 is about 25934.1975969954. The cubic root of 672582605 is about 876.1568828124.

The spelling of 672582605 in words is "six hundred seventy-two million, five hundred eighty-two thousand, six hundred five".