345804763 has 4 divisors (see below), whose sum is σ = 347328360. Its totient is φ = 344281168.

The previous prime is 345804749. The next prime is 345804773. The reversal of 345804763 is 367408543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345804763 - 2²⁵ = 312250331 is a prime.

It is a super-2 number, since 2×345804763² = 239161868226972338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345804733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761458 + ... + 761911.

It is an arithmetic number, because the mean of its divisors is an integer number (86832090).

Almost surely, 2^345804763 is an apocalyptic number.

345804763 is a deficient number, since it is larger than the sum of its proper divisors (1523597).

345804763 is a wasteful number, since it uses less digits than its factorization.

345804763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523596.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 345804763 is about 18595.8264941357. The cubic root of 345804763 is about 701.9028248648.

The spelling of 345804763 in words is "three hundred forty-five million, eight hundred four thousand, seven hundred sixty-three".