74963089 has 2 divisors, whose sum is σ = 74963090. Its totient is φ = 74963088.

The previous prime is 74963087. The next prime is 74963111. The reversal of 74963089 is 98036947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55249489 + 19713600 = 7433^2 + 4440^2 .

It is a cyclic number.

It is not a de Polignac number, because 74963089 - 2¹ = 74963087 is a prime.

Together with 74963087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74963087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37481544 + 37481545.

It is an arithmetic number, because the mean of its divisors is an integer number (37481545).

Almost surely, 2^74963089 is an apocalyptic number.

It is an amenable number.

74963089 is a deficient number, since it is larger than the sum of its proper divisors (1).

74963089 is an equidigital number, since it uses as much as digits as its factorization.

74963089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 74963089 is about 8658.1227180030. The cubic root of 74963089 is about 421.6471392027.

It can be divided in two parts, 7496 and 3089, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 74963089 in words is "seventy-four million, nine hundred sixty-three thousand, eighty-nine".