74304039 has 32 divisors (see below), whose sum is σ = 105421824. Its totient is φ = 46500480.

The previous prime is 74304001. The next prime is 74304047. The reversal of 74304039 is 93040347.

It is not a de Polignac number, because 74304039 - 2¹⁵ = 74271271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74303997 and 74304015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74304049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455772 + ... + 455934.

It is an arithmetic number, because the mean of its divisors is an integer number (3294432).

Almost surely, 2^74304039 is an apocalyptic number.

74304039 is a deficient number, since it is larger than the sum of its proper divisors (31117785).

74304039 is a wasteful number, since it uses less digits than its factorization.

74304039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 74304039 is about 8619.9790602994. The cubic root of 74304039 is about 420.4078407996.

The spelling of 74304039 in words is "seventy-four million, three hundred four thousand, thirty-nine".