800072293 has 2 divisors, whose sum is σ = 800072294. Its totient is φ = 800072292.

The previous prime is 800072281. The next prime is 800072321. The reversal of 800072293 is 392270008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543495969 + 256576324 = 23313^2 + 16018^2 .

It is a cyclic number.

It is not a de Polignac number, because 800072293 - 2⁹ = 800071781 is a prime.

It is a super-3 number, since 3×800072293³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800072243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400036146 + 400036147.

It is an arithmetic number, because the mean of its divisors is an integer number (400036147).

Almost surely, 2^800072293 is an apocalyptic number.

It is an amenable number.

800072293 is a deficient number, since it is larger than the sum of its proper divisors (1).

800072293 is an equidigital number, since it uses as much as digits as its factorization.

800072293 is an evil number, because the sum of its binary digits is even.

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

The square root of 800072293 is about 28285.5491903551. The cubic root of 800072293 is about 928.3457287454.

The spelling of 800072293 in words is "eight hundred million, seventy-two thousand, two hundred ninety-three".