617074745 has 8 divisors (see below), whose sum is σ = 846273984. Its totient is φ = 423136944.

The previous prime is 617074727. The next prime is 617074753. The reversal of 617074745 is 547470716.

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 617074745 - 2¹⁶ = 617009209 is a prime.

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, 8815319 + ... + 8815388.

It is an arithmetic number, because the mean of its divisors is an integer number (105784248).

Almost surely, 2^617074745 is an apocalyptic number.

It is an amenable number.

617074745 is a deficient number, since it is larger than the sum of its proper divisors (229199239).

617074745 is a wasteful number, since it uses less digits than its factorization.

617074745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630719.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 617074745 is about 24840.9892113821. The cubic root of 617074745 is about 851.3587242703.

The spelling of 617074745 in words is "six hundred seventeen million, seventy-four thousand, seven hundred forty-five".