345323737 has 16 divisors (see below), whose sum is σ = 399795264. Its totient is φ = 294784000.

The previous prime is 345323723. The next prime is 345323749. The reversal of 345323737 is 737323543.

It is a cyclic number.

It is not a de Polignac number, because 345323737 - 2⁷ = 345323609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345323696 and 345323705.

It is not an unprimeable number, because it can be changed into a prime (345323717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89937 + ... + 93697.

It is an arithmetic number, because the mean of its divisors is an integer number (24987204).

Almost surely, 2^345323737 is an apocalyptic number.

It is an amenable number.

345323737 is a deficient number, since it is larger than the sum of its proper divisors (54471527).

345323737 is a wasteful number, since it uses less digits than its factorization.

345323737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280.

The product of its digits is 158760, while the sum is 37.

The square root of 345323737 is about 18582.8882846559. Note that the first 3 decimals coincide. The cubic root of 345323737 is about 701.5772170665.

The spelling of 345323737 in words is "three hundred forty-five million, three hundred twenty-three thousand, seven hundred thirty-seven".