80072293 has 4 divisors (see below), whose sum is σ = 91511200. Its totient is φ = 68633388.

The previous prime is 80072257. The next prime is 80072297. The reversal of 80072293 is 39227008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80072293 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 (80072297) 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, 5719443 + ... + 5719456.

It is an arithmetic number, because the mean of its divisors is an integer number (22877800).

Almost surely, 2^80072293 is an apocalyptic number.

It is an amenable number.

80072293 is a deficient number, since it is larger than the sum of its proper divisors (11438907).

80072293 is a wasteful number, since it uses less digits than its factorization.

80072293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438906.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 80072293 is about 8948.3122989757. The cubic root of 80072293 is about 431.0166910524.

The spelling of 80072293 in words is "eighty million, seventy-two thousand, two hundred ninety-three".