345717772 has 6 divisors (see below), whose sum is σ = 605006108. Its totient is φ = 172858884.

The previous prime is 345717727. The next prime is 345717773. The reversal of 345717772 is 277717543.

It is not an unprimeable number, because it can be changed into a prime (345717773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43214718 + ... + 43214725.

Almost surely, 2^345717772 is an apocalyptic number.

It is an amenable number.

345717772 is a deficient number, since it is larger than the sum of its proper divisors (259288336).

345717772 is a wasteful number, since it uses less digits than its factorization.

345717772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86429447 (or 86429445 counting only the distinct ones).

The product of its digits is 288120, while the sum is 43.

The square root of 345717772 is about 18593.4873544475. The cubic root of 345717772 is about 701.8439627977.

The spelling of 345717772 in words is "three hundred forty-five million, seven hundred seventeen thousand, seven hundred seventy-two".