73689901 has 4 divisors (see below), whose sum is σ = 74075904. Its totient is φ = 73303900.

The previous prime is 73689871. The next prime is 73689911. The reversal of 73689901 is 10998637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73689901 - 2¹⁷ = 73558829 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 (73689911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192715 + ... + 193096.

It is an arithmetic number, because the mean of its divisors is an integer number (18518976).

Almost surely, 2^73689901 is an apocalyptic number.

It is an amenable number.

73689901 is a deficient number, since it is larger than the sum of its proper divisors (386003).

73689901 is a wasteful number, since it uses less digits than its factorization.

73689901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386002.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 73689901 is about 8584.2822064515. The cubic root of 73689901 is about 419.2463828896.

The spelling of 73689901 in words is "seventy-three million, six hundred eighty-nine thousand, nine hundred one".