73689953 has 8 divisors (see below), whose sum is σ = 77760000. Its totient is φ = 69692128.

The previous prime is 73689947. The next prime is 73689983. The reversal of 73689953 is 35998637.

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 73689953 - 2¹⁰ = 73688929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73689943) 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, 15953 + ... + 20046.

It is an arithmetic number, because the mean of its divisors is an integer number (9720000).

Almost surely, 2^73689953 is an apocalyptic number.

It is an amenable number.

73689953 is a deficient number, since it is larger than the sum of its proper divisors (4070047).

73689953 is a wasteful number, since it uses less digits than its factorization.

73689953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36111.

The product of its digits is 1224720, while the sum is 50.

The square root of 73689953 is about 8584.2852352424. The cubic root of 73689953 is about 419.2464815047.

The spelling of 73689953 in words is "seventy-three million, six hundred eighty-nine thousand, nine hundred fifty-three".