345740624 has 20 divisors (see below), whose sum is σ = 682513236. Its totient is φ = 169608192.

The previous prime is 345740621. The next prime is 345740653. The reversal of 345740624 is 426047543.

It can be written as a sum of positive squares in 2 ways, for example, as 110670400 + 235070224 = 10520^2 + 15332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345740621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203009 + ... + 204704.

Almost surely, 2^345740624 is an apocalyptic number.

It is an amenable number.

345740624 is a deficient number, since it is larger than the sum of its proper divisors (336772612).

345740624 is a wasteful number, since it uses less digits than its factorization.

345740624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407774 (or 407768 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 345740624 is about 18594.1018605363. The cubic root of 345740624 is about 701.8594264564.

The spelling of 345740624 in words is "three hundred forty-five million, seven hundred forty thousand, six hundred twenty-four".