73263979 has 2 divisors, whose sum is σ = 73263980. Its totient is φ = 73263978.

The previous prime is 73263961. The next prime is 73264001. The reversal of 73263979 is 97936237.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73263979 - 2⁹ = 73263467 is a prime.

It is a super-2 number, since 2×73263979² = 10735221237824882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73263919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36631989 + 36631990.

It is an arithmetic number, because the mean of its divisors is an integer number (36631990).

Almost surely, 2^73263979 is an apocalyptic number.

73263979 is a deficient number, since it is larger than the sum of its proper divisors (1).

73263979 is an equidigital number, since it uses as much as digits as its factorization.

73263979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 73263979 is about 8559.4380072526. The cubic root of 73263979 is about 418.4370842948.

The spelling of 73263979 in words is "seventy-three million, two hundred sixty-three thousand, nine hundred seventy-nine".