72620063 has 2 divisors, whose sum is σ = 72620064. Its totient is φ = 72620062.

The previous prime is 72620059. The next prime is 72620083. The reversal of 72620063 is 36002627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72620063 - 2² = 72620059 is a prime.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72620003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36310031 + 36310032.

It is an arithmetic number, because the mean of its divisors is an integer number (36310032).

Almost surely, 2^72620063 is an apocalyptic number.

72620063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72620063 is an equidigital number, since it uses as much as digits as its factorization.

72620063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 72620063 is about 8521.7406085846. The cubic root of 72620063 is about 417.2075961825.

The spelling of 72620063 in words is "seventy-two million, six hundred twenty thousand, sixty-three".