505640674 has 16 divisors (see below), whose sum is σ = 945614016. Its totient is φ = 197002800.

The previous prime is 505640669. The next prime is 505640689. The reversal of 505640674 is 476046505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641537 + ... + 1641844.

It is an arithmetic number, because the mean of its divisors is an integer number (59100876).

Almost surely, 2^505640674 is an apocalyptic number.

505640674 is a deficient number, since it is larger than the sum of its proper divisors (439973342).

505640674 is a wasteful number, since it uses less digits than its factorization.

505640674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283401.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 505640674 is about 22486.4553453851. The cubic root of 505640674 is about 796.6740427142.

The spelling of 505640674 in words is "five hundred five million, six hundred forty thousand, six hundred seventy-four".