345442671772 has 48 divisors (see below), whose sum is σ = 687202276320. Its totient is φ = 150498252800.

The previous prime is 345442671733. The next prime is 345442671781. The reversal of 345442671772 is 277176244543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813229 + ... + 1162852.

It is an arithmetic number, because the mean of its divisors is an integer number (14316714090).

Almost surely, 2^345442671772 is an apocalyptic number.

It is an amenable number.

345442671772 is a deficient number, since it is larger than the sum of its proper divisors (341759604548).

345442671772 is a wasteful number, since it uses less digits than its factorization.

345442671772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976262 (or 1976260 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 52.

The spelling of 345442671772 in words is "three hundred forty-five billion, four hundred forty-two million, six hundred seventy-one thousand, seven hundred seventy-two".