73979263 has 2 divisors, whose sum is σ = 73979264. Its totient is φ = 73979262.

The previous prime is 73979239. The next prime is 73979267. The reversal of 73979263 is 36297937.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73979263 is a prime.

It is a super-3 number, since 3×73979263³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73979267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36989631 + 36989632.

It is an arithmetic number, because the mean of its divisors is an integer number (36989632).

Almost surely, 2^73979263 is an apocalyptic number.

73979263 is a deficient number, since it is larger than the sum of its proper divisors (1).

73979263 is an equidigital number, since it uses as much as digits as its factorization.

73979263 is an evil number, because the sum of its binary digits is even.

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

The square root of 73979263 is about 8601.1198689473. The cubic root of 73979263 is about 419.7944250941.

The spelling of 73979263 in words is "seventy-three million, nine hundred seventy-nine thousand, two hundred sixty-three".