73489653 has 16 divisors (see below), whose sum is σ = 109876800. Its totient is φ = 48541680.

The previous prime is 73489651. The next prime is 73489681. The reversal of 73489653 is 35698437.

It is not a de Polignac number, because 73489653 - 2¹ = 73489651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73489599 and 73489608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73489651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9543 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (6867300).

Almost surely, 2^73489653 is an apocalyptic number.

It is an amenable number.

73489653 is a deficient number, since it is larger than the sum of its proper divisors (36387147).

73489653 is a wasteful number, since it uses less digits than its factorization.

73489653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25089 (or 25083 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 73489653 is about 8572.6106292074. The cubic root of 73489653 is about 418.8662791958.

The spelling of 73489653 in words is "seventy-three million, four hundred eighty-nine thousand, six hundred fifty-three".