72758227 has 2 divisors, whose sum is σ = 72758228. Its totient is φ = 72758226.

The previous prime is 72758221. The next prime is 72758251. The reversal of 72758227 is 72285727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72758227 - 2³ = 72758219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72758227.

It is not a weakly prime, because it can be changed into another prime (72758221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36379113 + 36379114.

It is an arithmetic number, because the mean of its divisors is an integer number (36379114).

Almost surely, 2^72758227 is an apocalyptic number.

72758227 is a deficient number, since it is larger than the sum of its proper divisors (1).

72758227 is an equidigital number, since it uses as much as digits as its factorization.

72758227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109760, while the sum is 40.

The square root of 72758227 is about 8529.8433162632. The cubic root of 72758227 is about 417.4720160048.

It can be divided in two parts, 727582 and 27, that added together give a square (727609 = 853²).

The spelling of 72758227 in words is "seventy-two million, seven hundred fifty-eight thousand, two hundred twenty-seven".