73006637 has 8 divisors (see below), whose sum is σ = 79710912. Its totient is φ = 66313600.

The previous prime is 73006631. The next prime is 73006639. The reversal of 73006637 is 73660037.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73006637 - 2¹⁸ = 72744493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73006631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16712 + ... + 20622.

It is an arithmetic number, because the mean of its divisors is an integer number (9963864).

Almost surely, 2^73006637 is an apocalyptic number.

It is an amenable number.

73006637 is a deficient number, since it is larger than the sum of its proper divisors (6704275).

73006637 is a wasteful number, since it uses less digits than its factorization.

73006637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 73006637 is about 8544.3921375368. The cubic root of 73006637 is about 417.9465851329.

The spelling of 73006637 in words is "seventy-three million, six thousand, six hundred thirty-seven".