74963009 has 12 divisors (see below), whose sum is σ = 83335140. Its totient is φ = 67372800.

The previous prime is 74962973. The next prime is 74963033. The reversal of 74963009 is 90036947.

It can be written as a sum of positive squares in 2 ways, for example, as 36336784 + 38626225 = 6028^2 + 6215^2 .

It is a de Polignac number, because none of the positive numbers 2^k-74963009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74963039) 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 in 11 ways as a sum of consecutive naturals, for example, 7289 + ... + 14249.

It is an arithmetic number, because the mean of its divisors is an integer number (6944595).

Almost surely, 2^74963009 is an apocalyptic number.

It is an amenable number.

74963009 is a deficient number, since it is larger than the sum of its proper divisors (8372131).

74963009 is a wasteful number, since it uses less digits than its factorization.

74963009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 74963009 is about 8658.1180980627. The cubic root of 74963009 is about 421.6469892099.

The spelling of 74963009 in words is "seventy-four million, nine hundred sixty-three thousand, nine".