73980635 has 4 divisors (see below), whose sum is σ = 88776768. Its totient is φ = 59184504.

The previous prime is 73980629. The next prime is 73980659. The reversal of 73980635 is 53608937.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73980635 - 2⁴ = 73980619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73980592 and 73980601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7398059 + ... + 7398068.

It is an arithmetic number, because the mean of its divisors is an integer number (22194192).

Almost surely, 2^73980635 is an apocalyptic number.

73980635 is a deficient number, since it is larger than the sum of its proper divisors (14796133).

73980635 is a wasteful number, since it uses less digits than its factorization.

73980635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14796132.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 73980635 is about 8601.1996256336. The cubic root of 73980635 is about 419.7970202104.

The spelling of 73980635 in words is "seventy-three million, nine hundred eighty thousand, six hundred thirty-five".