672220575 has 36 divisors (see below), whose sum is σ = 1296644440. Its totient is φ = 330937920.

The previous prime is 672220561. The next prime is 672220597. The reversal of 672220575 is 575022276.

672220575 is a `hidden beast` number, since 67 + 2 + 2 + 20 + 575 = 666.

It is not a de Polignac number, because 672220575 - 2¹⁸ = 671958431 is a prime.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 111985 + ... + 117834.

Almost surely, 2^672220575 is an apocalyptic number.

672220575 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

672220575 is a deficient number, since it is larger than the sum of its proper divisors (624423865).

672220575 is a wasteful number, since it uses less digits than its factorization.

672220575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229848 (or 229840 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 672220575 is about 25927.2168772508. The cubic root of 672220575 is about 875.9996520609. Note that the first 3 decimals are identical.

The spelling of 672220575 in words is "six hundred seventy-two million, two hundred twenty thousand, five hundred seventy-five".