74655397 has 2 divisors, whose sum is σ = 74655398. Its totient is φ = 74655396.

The previous prime is 74655391. The next prime is 74655403. The reversal of 74655397 is 79355647.

It is a balanced prime because it is at equal distance from previous prime (74655391) and next prime (74655403).

It can be written as a sum of positive squares in only one way, i.e., 68657796 + 5997601 = 8286^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 74655397 - 2¹⁵ = 74622629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74655391) 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 as a sum of consecutive naturals, namely, 37327698 + 37327699.

It is an arithmetic number, because the mean of its divisors is an integer number (37327699).

Almost surely, 2^74655397 is an apocalyptic number.

74655397 is the 4989-th hex number.

It is an amenable number.

74655397 is a deficient number, since it is larger than the sum of its proper divisors (1).

74655397 is an equidigital number, since it uses as much as digits as its factorization.

74655397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 46.

The square root of 74655397 is about 8640.3354680244. The cubic root of 74655397 is about 421.0694532816.

The spelling of 74655397 in words is "seventy-four million, six hundred fifty-five thousand, three hundred ninety-seven".