73579643 has 12 divisors (see below), whose sum is σ = 76788432. Its totient is φ = 70489440.

The previous prime is 73579637. The next prime is 73579657. The reversal of 73579643 is 34697537.

It is not a de Polignac number, because 73579643 - 2¹² = 73575547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73579594 and 73579603.

It is not an unprimeable number, because it can be changed into a prime (73579633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96821 + ... + 97577.

It is an arithmetic number, because the mean of its divisors is an integer number (6399036).

Almost surely, 2^73579643 is an apocalyptic number.

73579643 is a deficient number, since it is larger than the sum of its proper divisors (3208789).

73579643 is an equidigital number, since it uses as much as digits as its factorization.

73579643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 865 counting only the distinct ones).

The product of its digits is 476280, while the sum is 44.

The square root of 73579643 is about 8577.8577162366. The cubic root of 73579643 is about 419.0371803576.

The spelling of 73579643 in words is "seventy-three million, five hundred seventy-nine thousand, six hundred forty-three".