73089621 has 20 divisors (see below), whose sum is σ = 119110464. Its totient is φ = 44296200.

The previous prime is 73089619. The next prime is 73089671. The reversal of 73089621 is 12698037.

It is not a de Polignac number, because 73089621 - 2¹ = 73089619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73089671) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40125 + ... + 41906.

Almost surely, 2^73089621 is an apocalyptic number.

It is an amenable number.

73089621 is a deficient number, since it is larger than the sum of its proper divisors (46020843).

73089621 is a wasteful number, since it uses less digits than its factorization.

73089621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82054 (or 82045 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 73089621 is about 8549.2468089300. The cubic root of 73089621 is about 418.1048800872.

The spelling of 73089621 in words is "seventy-three million, eighty-nine thousand, six hundred twenty-one".