345726717732 has 72 divisors (see below), whose sum is σ = 953802001152. Its totient is φ = 104717937600.

The previous prime is 345726717727. The next prime is 345726717737. The reversal of 345726717732 is 237717627543.

345726717732 is a `hidden beast` number, since 3 + 4 + 572 + 67 + 1 + 7 + 7 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (345726717727) and next prime (345726717737).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (345726717737) 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, 676182 + ... + 1071762.

It is an arithmetic number, because the mean of its divisors is an integer number (13247250016).

Almost surely, 2^345726717732 is an apocalyptic number.

It is an amenable number.

345726717732 is an abundant number, since it is smaller than the sum of its proper divisors (608075283420).

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

345726717732 is a wasteful number, since it uses less digits than its factorization.

345726717732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397809 (or 397804 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 54.

The spelling of 345726717732 in words is "three hundred forty-five billion, seven hundred twenty-six million, seven hundred seventeen thousand, seven hundred thirty-two".