345730637 has 8 divisors (see below), whose sum is σ = 403527936. Its totient is φ = 290035152.

The previous prime is 345730633. The next prime is 345730643. The reversal of 345730637 is 736037543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345730637 - 2² = 345730633 is a prime.

It is a super-3 number, since 3×345730637³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345730637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345730633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525098 + ... + 525755.

It is an arithmetic number, because the mean of its divisors is an integer number (50440992).

Almost surely, 2^345730637 is an apocalyptic number.

It is an amenable number.

345730637 is a deficient number, since it is larger than the sum of its proper divisors (57797299).

345730637 is a wasteful number, since it uses less digits than its factorization.

345730637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050907.

The product of its (nonzero) digits is 158760, while the sum is 38.

The square root of 345730637 is about 18593.8333056957. The cubic root of 345730637 is about 701.8526684640.

The spelling of 345730637 in words is "three hundred forty-five million, seven hundred thirty thousand, six hundred thirty-seven".