346945072 has 10 divisors (see below), whose sum is σ = 672206108. Its totient is φ = 173472528.

The previous prime is 346945057. The next prime is 346945091. The reversal of 346945072 is 270549643.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10842018 + ... + 10842049.

Almost surely, 2^346945072 is an apocalyptic number.

It is an amenable number.

346945072 is a deficient number, since it is larger than the sum of its proper divisors (325261036).

346945072 is a wasteful number, since it uses less digits than its factorization.

346945072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21684075 (or 21684069 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 346945072 is about 18626.4616070793. The cubic root of 346945072 is about 702.6734985999.

The spelling of 346945072 in words is "three hundred forty-six million, nine hundred forty-five thousand, seventy-two".