474061721 has 24 divisors (see below), whose sum is σ = 571917024. Its totient is φ = 391513920.

The previous prime is 474061691. The next prime is 474061727. The reversal of 474061721 is 127160474.

It is not a de Polignac number, because 474061721 - 2²⁶ = 406952857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (474061727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165326 + ... + 168168.

It is an arithmetic number, because the mean of its divisors is an integer number (23829876).

Almost surely, 2^474061721 is an apocalyptic number.

474061721 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

474061721 is a deficient number, since it is larger than the sum of its proper divisors (97855303).

474061721 is a wasteful number, since it uses less digits than its factorization.

474061721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2974 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 474061721 is about 21772.9584806475. The cubic root of 474061721 is about 779.7312908507.

The spelling of 474061721 in words is "four hundred seventy-four million, sixty-one thousand, seven hundred twenty-one".