345472578 has 48 divisors (see below), whose sum is σ = 835582176. Its totient is φ = 102251520.

The previous prime is 345472577. The next prime is 345472583. The reversal of 345472578 is 875274543.

345472578 is a `hidden beast` number, since 3 + 4 + 5 + 4 + 72 + 578 = 666.

It is not an unprimeable number, because it can be changed into a prime (345472571) 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, 11775 + ... + 28802.

It is an arithmetic number, because the mean of its divisors is an integer number (17407962).

Almost surely, 2^345472578 is an apocalyptic number.

345472578 is an abundant number, since it is smaller than the sum of its proper divisors (490109598).

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

345472578 is a wasteful number, since it uses less digits than its factorization.

345472578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40639 (or 40636 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 345472578 is about 18586.8926397072. The cubic root of 345472578 is about 701.6780002294.

The spelling of 345472578 in words is "three hundred forty-five million, four hundred seventy-two thousand, five hundred seventy-eight".