74718897 has 16 divisors (see below), whose sum is σ = 112189440. Its totient is φ = 43822800.

The previous prime is 74718883. The next prime is 74718899. The reversal of 74718897 is 79881747.

It is not a de Polignac number, because 74718897 - 2²⁰ = 73670321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74718899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35497 + ... + 37542.

It is an arithmetic number, because the mean of its divisors is an integer number (7011840).

Almost surely, 2^74718897 is an apocalyptic number.

It is an amenable number.

74718897 is a deficient number, since it is larger than the sum of its proper divisors (37470543).

74718897 is a wasteful number, since it uses less digits than its factorization.

74718897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73084.

The product of its digits is 790272, while the sum is 51.

The square root of 74718897 is about 8644.0093128131. The cubic root of 74718897 is about 421.1888031392.

The spelling of 74718897 in words is "seventy-four million, seven hundred eighteen thousand, eight hundred ninety-seven".