474526721 has 2 divisors, whose sum is σ = 474526722. Its totient is φ = 474526720.

The previous prime is 474526709. The next prime is 474526727. The reversal of 474526721 is 127625474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447111025 + 27415696 = 21145^2 + 5236^2 .

It is a cyclic number.

It is not a de Polignac number, because 474526721 - 2¹⁰ = 474525697 is a prime.

It is not a weakly prime, because it can be changed into another prime (474526727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237263360 + 237263361.

It is an arithmetic number, because the mean of its divisors is an integer number (237263361).

Almost surely, 2^474526721 is an apocalyptic number.

It is an amenable number.

474526721 is a deficient number, since it is larger than the sum of its proper divisors (1).

474526721 is an equidigital number, since it uses as much as digits as its factorization.

474526721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 474526721 is about 21783.6342468377. The cubic root of 474526721 is about 779.9861497650.

The spelling of 474526721 in words is "four hundred seventy-four million, five hundred twenty-six thousand, seven hundred twenty-one".