73672579 has 2 divisors, whose sum is σ = 73672580. Its totient is φ = 73672578.

The previous prime is 73672559. The next prime is 73672583. The reversal of 73672579 is 97527637.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (97527637) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73672579 is a prime.

It is a super-2 number, since 2×73672579² = 10855297793022482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73672559) 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, 36836289 + 36836290.

It is an arithmetic number, because the mean of its divisors is an integer number (36836290).

Almost surely, 2^73672579 is an apocalyptic number.

73672579 is a deficient number, since it is larger than the sum of its proper divisors (1).

73672579 is an equidigital number, since it uses as much as digits as its factorization.

73672579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 46.

The square root of 73672579 is about 8583.2732101454. The cubic root of 73672579 is about 419.2135301068.

The spelling of 73672579 in words is "seventy-three million, six hundred seventy-two thousand, five hundred seventy-nine".