74544897 has 8 divisors (see below), whose sum is σ = 113592256. Its totient is φ = 42597072.

The previous prime is 74544893. The next prime is 74544913. The reversal of 74544897 is 79844547.

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

It is not a de Polignac number, because 74544897 - 2² = 74544893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74544893) 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, 1774858 + ... + 1774899.

It is an arithmetic number, because the mean of its divisors is an integer number (14199032).

Almost surely, 2^74544897 is an apocalyptic number.

It is an amenable number.

74544897 is a deficient number, since it is larger than the sum of its proper divisors (39047359).

74544897 is a wasteful number, since it uses less digits than its factorization.

74544897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549767.

The product of its digits is 1128960, while the sum is 48.

The square root of 74544897 is about 8633.9386724716. The cubic root of 74544897 is about 420.8616042788.

The spelling of 74544897 in words is "seventy-four million, five hundred forty-four thousand, eight hundred ninety-seven".