417845972 has 6 divisors (see below), whose sum is σ = 731230458. Its totient is φ = 208922984.

The previous prime is 417845959. The next prime is 417845983. The reversal of 417845972 is 279548714.

It can be written as a sum of positive squares in only one way, i.e., 416323216 + 1522756 = 20404^2 + 1234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52230743 + ... + 52230750.

It is an arithmetic number, because the mean of its divisors is an integer number (121871743).

Almost surely, 2^417845972 is an apocalyptic number.

It is an amenable number.

417845972 is a deficient number, since it is larger than the sum of its proper divisors (313384486).

417845972 is a wasteful number, since it uses less digits than its factorization.

417845972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104461497 (or 104461495 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 417845972 is about 20441.2810753142. The cubic root of 417845972 is about 747.6047865986.

The spelling of 417845972 in words is "four hundred seventeen million, eight hundred forty-five thousand, nine hundred seventy-two".