474426021 has 16 divisors (see below), whose sum is σ = 681134400. Its totient is φ = 292631808.

The previous prime is 474426019. The next prime is 474426023. The reversal of 474426021 is 120624474.

It is an interprime number because it is at equal distance from previous prime (474426019) and next prime (474426023).

It is not a de Polignac number, because 474426021 - 2¹ = 474426019 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 474426021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474426023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75826 + ... + 81843.

It is an arithmetic number, because the mean of its divisors is an integer number (42570900).

Almost surely, 2^474426021 is an apocalyptic number.

It is an amenable number.

474426021 is a deficient number, since it is larger than the sum of its proper divisors (206708379).

474426021 is a wasteful number, since it uses less digits than its factorization.

474426021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157748.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 474426021 is about 21781.3227559760. The cubic root of 474426021 is about 779.9309718664.

The spelling of 474426021 in words is "four hundred seventy-four million, four hundred twenty-six thousand, twenty-one".