617474121 has 8 divisors (see below), whose sum is σ = 898144224. Its totient is φ = 374226720.

The previous prime is 617474113. The next prime is 617474129. The reversal of 617474121 is 121474716.

It is an interprime number because it is at equal distance from previous prime (617474113) and next prime (617474129).

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

It is not a de Polignac number, because 617474121 - 2³ = 617474113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 18711337 = 617474121 / (6 + 1 + 7 + 4 + 7 + 4 + 1 + 2 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (617474129) 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, 9355636 + ... + 9355701.

It is an arithmetic number, because the mean of its divisors is an integer number (112268028).

Almost surely, 2^617474121 is an apocalyptic number.

It is an amenable number.

617474121 is a deficient number, since it is larger than the sum of its proper divisors (280670103).

617474121 is a wasteful number, since it uses less digits than its factorization.

617474121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18711351.

The product of its digits is 9408, while the sum is 33.

The square root of 617474121 is about 24849.0265604108. The cubic root of 617474121 is about 851.5423535189.

The spelling of 617474121 in words is "six hundred seventeen million, four hundred seventy-four thousand, one hundred twenty-one".