505970774 has 4 divisors (see below), whose sum is σ = 758956164. Its totient is φ = 252985386.

The previous prime is 505970771. The next prime is 505970831. The reversal of 505970774 is 477079505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505970771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126492692 + ... + 126492695.

It is an arithmetic number, because the mean of its divisors is an integer number (189739041).

Almost surely, 2^505970774 is an apocalyptic number.

505970774 is a deficient number, since it is larger than the sum of its proper divisors (252985390).

505970774 is a wasteful number, since it uses less digits than its factorization.

505970774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252985389.

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 505970774 is about 22493.7941219351. The cubic root of 505970774 is about 796.8473706048.

The spelling of 505970774 in words is "five hundred five million, nine hundred seventy thousand, seven hundred seventy-four".