474299781 has 8 divisors (see below), whose sum is σ = 649491744. Its totient is φ = 307653840.

The previous prime is 474299773. The next prime is 474299797. The reversal of 474299781 is 187992474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 474299781 - 2³ = 474299773 is a prime.

It is a super-2 number, since 2×474299781² = 449920564513295922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474299381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136375 + ... + 2136596.

It is an arithmetic number, because the mean of its divisors is an integer number (81186468).

Almost surely, 2^474299781 is an apocalyptic number.

It is an amenable number.

474299781 is a deficient number, since it is larger than the sum of its proper divisors (175191963).

474299781 is a wasteful number, since it uses less digits than its factorization.

474299781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273011.

The product of its digits is 1016064, while the sum is 51.

The square root of 474299781 is about 21778.4246675465. The cubic root of 474299781 is about 779.8617884632.

The spelling of 474299781 in words is "four hundred seventy-four million, two hundred ninety-nine thousand, seven hundred eighty-one".