345401739 has 10 divisors (see below), whose sum is σ = 515970620. Its totient is φ = 230267772.

The previous prime is 345401737. The next prime is 345401743. The reversal of 345401739 is 937104543.

It is not a de Polignac number, because 345401739 - 2¹ = 345401737 is a prime.

It is a super-2 number, since 2×345401739² = 238604722608448242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345401737) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2132029 + ... + 2132190.

It is an arithmetic number, because the mean of its divisors is an integer number (51597062).

Almost surely, 2^345401739 is an apocalyptic number.

345401739 is a deficient number, since it is larger than the sum of its proper divisors (170568881).

345401739 is an equidigital number, since it uses as much as digits as its factorization.

345401739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264231 (or 4264222 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 345401739 is about 18584.9869249349. The cubic root of 345401739 is about 701.6300373627.

The spelling of 345401739 in words is "three hundred forty-five million, four hundred one thousand, seven hundred thirty-nine".