73979459 has 2 divisors, whose sum is σ = 73979460. Its totient is φ = 73979458.

The previous prime is 73979453. The next prime is 73979473. The reversal of 73979459 is 95497937.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73979459 - 2¹⁶ = 73913923 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73979459.

It is not a weakly prime, because it can be changed into another prime (73979453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36989729 + 36989730.

It is an arithmetic number, because the mean of its divisors is an integer number (36989730).

Almost surely, 2^73979459 is an apocalyptic number.

73979459 is a deficient number, since it is larger than the sum of its proper divisors (1).

73979459 is an equidigital number, since it uses as much as digits as its factorization.

73979459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 53.

The square root of 73979459 is about 8601.1312628049. The cubic root of 73979459 is about 419.7947958269.

The spelling of 73979459 in words is "seventy-three million, nine hundred seventy-nine thousand, four hundred fifty-nine".