624572273 has 4 divisors (see below), whose sum is σ = 672616308. Its totient is φ = 576528240.

The previous prime is 624572269. The next prime is 624572287. The reversal of 624572273 is 372275426.

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 189557824 + 435014449 = 13768^2 + 20857^2 .

It is a cyclic number.

It is not a de Polignac number, because 624572273 - 2² = 624572269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (624572873) 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, 24021998 + ... + 24022023.

It is an arithmetic number, because the mean of its divisors is an integer number (168154077).

Almost surely, 2^624572273 is an apocalyptic number.

It is an amenable number.

624572273 is a deficient number, since it is larger than the sum of its proper divisors (48044035).

624572273 is a wasteful number, since it uses less digits than its factorization.

624572273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48044034.

The product of its digits is 141120, while the sum is 38.

The square root of 624572273 is about 24991.4439958959. The cubic root of 624572273 is about 854.7928880601.

The spelling of 624572273 in words is "six hundred twenty-four million, five hundred seventy-two thousand, two hundred seventy-three".