345393732 has 12 divisors (see below), whose sum is σ = 805918736. Its totient is φ = 115131240.

The previous prime is 345393721. The next prime is 345393749. The reversal of 345393732 is 237393543.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14391394 + ... + 14391417.

Almost surely, 2^345393732 is an apocalyptic number.

It is an amenable number.

345393732 is an abundant number, since it is smaller than the sum of its proper divisors (460525004).

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

345393732 is a wasteful number, since it uses less digits than its factorization.

345393732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28782818 (or 28782816 counting only the distinct ones).

The product of its digits is 204120, while the sum is 39.

The square root of 345393732 is about 18584.7715078771. The cubic root of 345393732 is about 701.6246156614.

The spelling of 345393732 in words is "three hundred forty-five million, three hundred ninety-three thousand, seven hundred thirty-two".