73089851 has 4 divisors (see below), whose sum is σ = 77389272. Its totient is φ = 68790432.

The previous prime is 73089803. The next prime is 73089853. The reversal of 73089851 is 15898037.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-73089851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73089799 and 73089808.

It is not an unprimeable number, because it can be changed into a prime (73089853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149685 + ... + 2149718.

It is an arithmetic number, because the mean of its divisors is an integer number (19347318).

Almost surely, 2^73089851 is an apocalyptic number.

73089851 is a deficient number, since it is larger than the sum of its proper divisors (4299421).

73089851 is a wasteful number, since it uses less digits than its factorization.

73089851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299420.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 73089851 is about 8549.2602603968. The cubic root of 73089851 is about 418.1053186539.

The spelling of 73089851 in words is "seventy-three million, eighty-nine thousand, eight hundred fifty-one".