73901589 has 8 divisors (see below), whose sum is σ = 98796960. Its totient is φ = 49136976.

The previous prime is 73901549. The next prime is 73901591. The reversal of 73901589 is 98510937.

It is a happy number.

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

It is not a de Polignac number, because 73901589 - 2¹¹ = 73899541 is a prime.

It is a super-2 number, since 2×73901589² = 10922889713449842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73901589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73901519) 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 7 ways as a sum of consecutive naturals, for example, 31362 + ... + 33635.

It is an arithmetic number, because the mean of its divisors is an integer number (12349620).

Almost surely, 2^73901589 is an apocalyptic number.

It is an amenable number.

73901589 is a deficient number, since it is larger than the sum of its proper divisors (24895371).

73901589 is a wasteful number, since it uses less digits than its factorization.

73901589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65379.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 73901589 is about 8596.6033408550. The cubic root of 73901589 is about 419.6474535898.

The spelling of 73901589 in words is "seventy-three million, nine hundred one thousand, five hundred eighty-nine".