345049761 has 16 divisors (see below), whose sum is σ = 528113664. Its totient is φ = 196299984.

The previous prime is 345049693. The next prime is 345049787. The reversal of 345049761 is 167940543.

It is not a de Polignac number, because 345049761 - 2¹⁷ = 344918689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345049261) 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, 31425 + ... + 40958.

It is an arithmetic number, because the mean of its divisors is an integer number (33007104).

Almost surely, 2^345049761 is an apocalyptic number.

It is an amenable number.

345049761 is a deficient number, since it is larger than the sum of its proper divisors (183063903).

345049761 is a wasteful number, since it uses less digits than its factorization.

345049761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72620.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 345049761 is about 18575.5150938002. The cubic root of 345049761 is about 701.3916267974.

The spelling of 345049761 in words is "three hundred forty-five million, forty-nine thousand, seven hundred sixty-one".