474274987 has 4 divisors (see below), whose sum is σ = 474340120. Its totient is φ = 474209856.

The previous prime is 474274951. The next prime is 474275029. The reversal of 474274987 is 789472474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-474274987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474274937) 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, 20037 + ... + 36742.

It is an arithmetic number, because the mean of its divisors is an integer number (118585030).

Almost surely, 2^474274987 is an apocalyptic number.

474274987 is a deficient number, since it is larger than the sum of its proper divisors (65133).

474274987 is an equidigital number, since it uses as much as digits as its factorization.

474274987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65132.

The product of its digits is 3161088, while the sum is 52.

The square root of 474274987 is about 21777.8554270158. The cubic root of 474274987 is about 779.8481991462.

The spelling of 474274987 in words is "four hundred seventy-four million, two hundred seventy-four thousand, nine hundred eighty-seven".