73419889 has 8 divisors (see below), whose sum is σ = 79635528. Its totient is φ = 67415040.

The previous prime is 73419881. The next prime is 73419917. The reversal of 73419889 is 98891437.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22896225 + 50523664 = 4785^2 + 7108^2 .

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 73419889 - 2³ = 73419881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73419881) 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, 51972 + ... + 53365.

It is an arithmetic number, because the mean of its divisors is an integer number (9954441).

Almost surely, 2^73419889 is an apocalyptic number.

It is an amenable number.

73419889 is a deficient number, since it is larger than the sum of its proper divisors (6215639).

73419889 is a wasteful number, since it uses less digits than its factorization.

73419889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105395.

The product of its digits is 435456, while the sum is 49.

The square root of 73419889 is about 8568.5406575449. The cubic root of 73419889 is about 418.7336934617.

The spelling of 73419889 in words is "seventy-three million, four hundred nineteen thousand, eight hundred eighty-nine".