340572773 has 4 divisors (see below), whose sum is σ = 348879468. Its totient is φ = 332266080.

The previous prime is 340572769. The next prime is 340572787. The reversal of 340572773 is 377275043.

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 204547204 + 136025569 = 14302^2 + 11663^2 .

It is a cyclic number.

It is not a de Polignac number, because 340572773 - 2² = 340572769 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 (340572703) 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, 4153286 + ... + 4153367.

It is an arithmetic number, because the mean of its divisors is an integer number (87219867).

Almost surely, 2^340572773 is an apocalyptic number.

It is an amenable number.

340572773 is a deficient number, since it is larger than the sum of its proper divisors (8306695).

340572773 is an equidigital number, since it uses as much as digits as its factorization.

340572773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306694.

The product of its (nonzero) digits is 123480, while the sum is 38.

The square root of 340572773 is about 18454.6138675400. The cubic root of 340572773 is about 698.3449149593.

The spelling of 340572773 in words is "three hundred forty million, five hundred seventy-two thousand, seven hundred seventy-three".