74000065 has 8 divisors (see below), whose sum is σ = 94023720. Its totient is φ = 55717632.

The previous prime is 74000057. The next prime is 74000077. The reversal of 74000065 is 56000047.

It can be written as a sum of positive squares in 4 ways, for example, as 41873841 + 32126224 = 6471^2 + 5668^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74000065 - 2³ = 74000057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435210 + ... + 435379.

It is an arithmetic number, because the mean of its divisors is an integer number (11752965).

Almost surely, 2^74000065 is an apocalyptic number.

It is an amenable number.

74000065 is a deficient number, since it is larger than the sum of its proper divisors (20023655).

74000065 is a wasteful number, since it uses less digits than its factorization.

74000065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870611.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 74000065 is about 8602.3290450901. The cubic root of 74000065 is about 419.8337683051.

The spelling of 74000065 in words is "seventy-four million, sixty-five", and thus it is an aban number.