393173472474 has 64 divisors (see below), whose sum is σ = 935508787200. Its totient is φ = 121962576384.

The previous prime is 393173472451. The next prime is 393173472529. The reversal of 393173472474 is 474274371393.

393173472474 is a `hidden beast` number, since 3 + 9 + 31 + 73 + 4 + 72 + 474 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 393173472474.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2324442 + ... + 2487845.

It is an arithmetic number, because the mean of its divisors is an integer number (14617324800).

Almost surely, 2^393173472474 is an apocalyptic number.

393173472474 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

393173472474 is an abundant number, since it is smaller than the sum of its proper divisors (542335314726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393173472474 is a wasteful number, since it uses less digits than its factorization.

393173472474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812404 (or 4812398 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 54.

The spelling of 393173472474 in words is "three hundred ninety-three billion, one hundred seventy-three million, four hundred seventy-two thousand, four hundred seventy-four".