630762473 has 12 divisors (see below), whose sum is σ = 700195524. Its totient is φ = 567732000.

The previous prime is 630762467. The next prime is 630762481. The reversal of 630762473 is 374267036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 449779264 + 180983209 = 21208^2 + 13453^2 .

It is not a de Polignac number, because 630762473 - 2⁸ = 630762217 is a prime.

It is a super-2 number, since 2×630762473² = 795722594690151458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630762463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13586 + ... + 38027.

It is an arithmetic number, because the mean of its divisors is an integer number (58349627).

Almost surely, 2^630762473 is an apocalyptic number.

It is an amenable number.

630762473 is a deficient number, since it is larger than the sum of its proper divisors (69433051).

630762473 is a wasteful number, since it uses less digits than its factorization.

630762473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51736 (or 51725 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 630762473 is about 25114.9850288627. The cubic root of 630762473 is about 857.6075895682.

The spelling of 630762473 in words is "six hundred thirty million, seven hundred sixty-two thousand, four hundred seventy-three".