345850072 has 16 divisors (see below), whose sum is σ = 650883600. Its totient is φ = 172281120.

The previous prime is 345850067. The next prime is 345850073. The reversal of 345850072 is 270058543.

It is a happy number.

It is a super-2 number, since 2×345850072² = 239224544604810368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345850073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78204 + ... + 82507.

It is an arithmetic number, because the mean of its divisors is an integer number (40680225).

Almost surely, 2^345850072 is an apocalyptic number.

It is an amenable number.

345850072 is a deficient number, since it is larger than the sum of its proper divisors (305033528).

345850072 is a wasteful number, since it uses less digits than its factorization.

345850072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160986 (or 160982 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 345850072 is about 18597.0447114589. The cubic root of 345850072 is about 701.9334790851.

The spelling of 345850072 in words is "three hundred forty-five million, eight hundred fifty thousand, seventy-two".