7264039 has 4 divisors (see below), whose sum is σ = 7339024. Its totient is φ = 7189056.

The previous prime is 7264009. The next prime is 7264043. The reversal of 7264039 is 9304627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7264039 - 2¹³ = 7255847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7264039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7264009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37347 + ... + 37540.

It is an arithmetic number, because the mean of its divisors is an integer number (1834756).

Almost surely, 2^7264039 is an apocalyptic number.

7264039 is a deficient number, since it is larger than the sum of its proper divisors (74985).

7264039 is an equidigital number, since it uses as much as digits as its factorization.

7264039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74984.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 7264039 is about 2695.1881195939. The cubic root of 7264039 is about 193.6686784632.

The spelling of 7264039 in words is "seven million, two hundred sixty-four thousand, thirty-nine".