345495731 has 8 divisors (see below), whose sum is σ = 403253760. Its totient is φ = 289838088.

The previous prime is 345495721. The next prime is 345495737. The reversal of 345495731 is 137594543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345495731 - 2¹⁴ = 345479347 is a prime.

It is a super-2 number, since 2×345495731² = 238734600278448722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345495737) 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, 524741 + ... + 525398.

It is an arithmetic number, because the mean of its divisors is an integer number (50406720).

Almost surely, 2^345495731 is an apocalyptic number.

345495731 is a deficient number, since it is larger than the sum of its proper divisors (57758029).

345495731 is a wasteful number, since it uses less digits than its factorization.

345495731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050193.

The product of its digits is 226800, while the sum is 41.

The square root of 345495731 is about 18587.5154606526. The cubic root of 345495731 is about 701.6936749784.

The spelling of 345495731 in words is "three hundred forty-five million, four hundred ninety-five thousand, seven hundred thirty-one".