8072939 has 4 divisors (see below), whose sum is σ = 9226224. Its totient is φ = 6919656.

The previous prime is 8072921. The next prime is 8072957. The reversal of 8072939 is 9392708.

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

It is an interprime number because it is at equal distance from previous prime (8072921) and next prime (8072957).

It is a cyclic number.

It is not a de Polignac number, because 8072939 - 2¹² = 8068843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8072639) 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, 576632 + ... + 576645.

It is an arithmetic number, because the mean of its divisors is an integer number (2306556).

Almost surely, 2^8072939 is an apocalyptic number.

8072939 is a deficient number, since it is larger than the sum of its proper divisors (1153285).

8072939 is a wasteful number, since it uses less digits than its factorization.

8072939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153284.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 8072939 is about 2841.2917836787. The cubic root of 8072939 is about 200.6059870441.

The spelling of 8072939 in words is "eight million, seventy-two thousand, nine hundred thirty-nine".