345273916 has 24 divisors (see below), whose sum is σ = 652159424. Its totient is φ = 159001920.

The previous prime is 345273911. The next prime is 345273931. The reversal of 345273916 is 619372543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345273911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16906 + ... + 31246.

Almost surely, 2^345273916 is an apocalyptic number.

It is an amenable number.

345273916 is a deficient number, since it is larger than the sum of its proper divisors (306885508).

345273916 is a wasteful number, since it uses less digits than its factorization.

345273916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14821 (or 14819 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 345273916 is about 18581.5477288626. The cubic root of 345273916 is about 701.5434758204.

The spelling of 345273916 in words is "three hundred forty-five million, two hundred seventy-three thousand, nine hundred sixteen".