345722812 has 24 divisors (see below), whose sum is σ = 641496240. Its totient is φ = 162466560.

The previous prime is 345722809. The next prime is 345722813. The reversal of 345722812 is 218227543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345722813) 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 7 ways as a sum of consecutive naturals, for example, 52014 + ... + 58282.

It is an arithmetic number, because the mean of its divisors is an integer number (26729010).

Almost surely, 2^345722812 is an apocalyptic number.

It is an amenable number.

345722812 is a deficient number, since it is larger than the sum of its proper divisors (295773428).

345722812 is a wasteful number, since it uses less digits than its factorization.

345722812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101 (or 7099 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 345722812 is about 18593.6228852798. The cubic root of 345722812 is about 701.8473733604.

The spelling of 345722812 in words is "three hundred forty-five million, seven hundred twenty-two thousand, eight hundred twelve".