72620227 has 2 divisors, whose sum is σ = 72620228. Its totient is φ = 72620226.

The previous prime is 72620221. The next prime is 72620231. The reversal of 72620227 is 72202627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72620227 - 2¹¹ = 72618179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72620195 and 72620204.

It is not a weakly prime, because it can be changed into another prime (72620221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36310113 + 36310114.

It is an arithmetic number, because the mean of its divisors is an integer number (36310114).

Almost surely, 2^72620227 is an apocalyptic number.

72620227 is a deficient number, since it is larger than the sum of its proper divisors (1).

72620227 is an equidigital number, since it uses as much as digits as its factorization.

72620227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72620227 is about 8521.7502310265. The cubic root of 72620227 is about 417.2079102463.

The spelling of 72620227 in words is "seventy-two million, six hundred twenty thousand, two hundred twenty-seven".