74282897 has 4 divisors (see below), whose sum is σ = 79996980. Its totient is φ = 68568816.

The previous prime is 74282881. The next prime is 74282903. The reversal of 74282897 is 79828247.

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 27552001 + 46730896 = 5249^2 + 6836^2 .

It is a cyclic number.

It is not a de Polignac number, because 74282897 - 2⁴ = 74282881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74282807) 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, 2857022 + ... + 2857047.

It is an arithmetic number, because the mean of its divisors is an integer number (19999245).

Almost surely, 2^74282897 is an apocalyptic number.

It is an amenable number.

74282897 is a deficient number, since it is larger than the sum of its proper divisors (5714083).

74282897 is a wasteful number, since it uses less digits than its factorization.

74282897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714082.

The product of its digits is 451584, while the sum is 47.

The square root of 74282897 is about 8618.7526359677. The cubic root of 74282897 is about 420.3679636237.

The spelling of 74282897 in words is "seventy-four million, two hundred eighty-two thousand, eight hundred ninety-seven".