73422889 has 8 divisors (see below), whose sum is σ = 75203240. Its totient is φ = 71663616.

The previous prime is 73422803. The next prime is 73422893. The reversal of 73422889 is 98822437.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1172889 + 72250000 = 1083^2 + 8500^2 .

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

It is a 7-Lehmer number, since φ(73422889) divides (73422889-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 73422889 - 2¹⁷ = 73291817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73422389) 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, 1897 + ... + 12265.

It is an arithmetic number, because the mean of its divisors is an integer number (9400405).

Almost surely, 2^73422889 is an apocalyptic number.

It is an amenable number.

73422889 is a deficient number, since it is larger than the sum of its proper divisors (1780351).

73422889 is a wasteful number, since it uses less digits than its factorization.

73422889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539.

The product of its digits is 193536, while the sum is 43.

The square root of 73422889 is about 8568.7157147381. The cubic root of 73422889 is about 418.7393966573.

The spelling of 73422889 in words is "seventy-three million, four hundred twenty-two thousand, eight hundred eighty-nine".