74606897 has 4 divisors (see below), whose sum is σ = 78995556. Its totient is φ = 70218240.

The previous prime is 74606887. The next prime is 74606923. The reversal of 74606897 is 79860647.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37834801 + 36772096 = 6151^2 + 6064^2 .

It is a cyclic number.

It is not a de Polignac number, because 74606897 - 2¹⁶ = 74541361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74606827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2194304 + ... + 2194337.

It is an arithmetic number, because the mean of its divisors is an integer number (19748889).

Almost surely, 2^74606897 is an apocalyptic number.

It is an amenable number.

74606897 is a deficient number, since it is larger than the sum of its proper divisors (4388659).

74606897 is a wasteful number, since it uses less digits than its factorization.

74606897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388658.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 74606897 is about 8637.5284080575. The cubic root of 74606897 is about 420.9782507106.

The spelling of 74606897 in words is "seventy-four million, six hundred six thousand, eight hundred ninety-seven".