345464731 has 2 divisors, whose sum is σ = 345464732. Its totient is φ = 345464730.

The previous prime is 345464723. The next prime is 345464773. The reversal of 345464731 is 137464543.

It is a weak prime.

It is an emirp because it is prime and its reverse (137464543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345464731 - 2³ = 345464723 is a prime.

It is a super-2 number, since 2×345464731² = 238691760729804722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345464131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172732365 + 172732366.

It is an arithmetic number, because the mean of its divisors is an integer number (172732366).

Almost surely, 2^345464731 is an apocalyptic number.

345464731 is a deficient number, since it is larger than the sum of its proper divisors (1).

345464731 is an equidigital number, since it uses as much as digits as its factorization.

345464731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 345464731 is about 18586.6815488941. The cubic root of 345464731 is about 701.6726875946.

The spelling of 345464731 in words is "three hundred forty-five million, four hundred sixty-four thousand, seven hundred thirty-one".