345388741 has 4 divisors (see below), whose sum is σ = 345465484. Its totient is φ = 345312000.

The previous prime is 345388733. The next prime is 345388777. The reversal of 345388741 is 147883543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123676641 + 221712100 = 11121^2 + 14890^2 .

It is a cyclic number.

It is not a de Polignac number, because 345388741 - 2³ = 345388733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345388721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31170 + ... + 40771.

It is an arithmetic number, because the mean of its divisors is an integer number (86366371).

Almost surely, 2^345388741 is an apocalyptic number.

It is an amenable number.

345388741 is a deficient number, since it is larger than the sum of its proper divisors (76743).

345388741 is an equidigital number, since it uses as much as digits as its factorization.

345388741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76742.

The product of its digits is 322560, while the sum is 43.

The square root of 345388741 is about 18584.6372307882. The cubic root of 345388741 is about 701.6212361123.

The spelling of 345388741 in words is "three hundred forty-five million, three hundred eighty-eight thousand, seven hundred forty-one".