307072345 has 8 divisors (see below), whose sum is σ = 371931264. Its totient is φ = 243361584.

The previous prime is 307072327. The next prime is 307072369. The reversal of 307072345 is 543270703.

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 307072345 - 2⁵ = 307072313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286449 + ... + 287518.

It is an arithmetic number, because the mean of its divisors is an integer number (46491408).

Almost surely, 2^307072345 is an apocalyptic number.

It is an amenable number.

307072345 is a deficient number, since it is larger than the sum of its proper divisors (64858919).

307072345 is a wasteful number, since it uses less digits than its factorization.

307072345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574079.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 307072345 is about 17523.4798199444. The cubic root of 307072345 is about 674.6526571425.

The spelling of 307072345 in words is "three hundred seven million, seventy-two thousand, three hundred forty-five".