345043692 has 144 divisors (see below), whose sum is σ = 1051636320. Its totient is φ = 97542144.

The previous prime is 345043619. The next prime is 345043703. The reversal of 345043692 is 296340543.

345043692 is a `hidden beast` number, since 34 + 504 + 36 + 92 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 597708 + ... + 598284.

It is an arithmetic number, because the mean of its divisors is an integer number (7303030).

Almost surely, 2^345043692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345043692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525818160).

345043692 is an abundant number, since it is smaller than the sum of its proper divisors (706592628).

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

345043692 is a wasteful number, since it uses less digits than its factorization.

345043692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 345043692 is about 18575.3517328744. The cubic root of 345043692 is about 701.3875145685.

The spelling of 345043692 in words is "three hundred forty-five million, forty-three thousand, six hundred ninety-two".