7972039 has 8 divisors (see below), whose sum is σ = 8431280. Its totient is φ = 7516800.

The previous prime is 7972033. The next prime is 7972043. The reversal of 7972039 is 9302797.

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 7972039 - 2⁷ = 7971911 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 7971989 and 7972007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972033) 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 7 ways as a sum of consecutive naturals, for example, 3709 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (1053910).

Almost surely, 2^7972039 is an apocalyptic number.

7972039 is a deficient number, since it is larger than the sum of its proper divisors (459241).

7972039 is a wasteful number, since it uses less digits than its factorization.

7972039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 7972039 is about 2823.4799450324. The cubic root of 7972039 is about 199.7667196739.

The spelling of 7972039 in words is "seven million, nine hundred seventy-two thousand, thirty-nine".