492890074 has 4 divisors (see below), whose sum is σ = 739335114. Its totient is φ = 246445036.

The previous prime is 492890059. The next prime is 492890093. The reversal of 492890074 is 470098294.

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

It can be written as a sum of positive squares in only one way, i.e., 372219849 + 120670225 = 19293^2 + 10985^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 492890074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123222517 + ... + 123222520.

Almost surely, 2^492890074 is an apocalyptic number.

492890074 is a deficient number, since it is larger than the sum of its proper divisors (246445040).

492890074 is a wasteful number, since it uses less digits than its factorization.

492890074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246445039.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 492890074 is about 22201.1277641475. The cubic root of 492890074 is about 789.9204502498.

The spelling of 492890074 in words is "four hundred ninety-two million, eight hundred ninety thousand, seventy-four".