73994889 has 4 divisors (see below), whose sum is σ = 98659856. Its totient is φ = 49329924.

The previous prime is 73994881. The next prime is 73994903. The reversal of 73994889 is 98849937.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98849937 = 3 ⋅32949979.

It is not a de Polignac number, because 73994889 - 2³ = 73994881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73994881) 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, 12332479 + ... + 12332484.

It is an arithmetic number, because the mean of its divisors is an integer number (24664964).

Almost surely, 2^73994889 is an apocalyptic number.

It is an amenable number.

73994889 is a deficient number, since it is larger than the sum of its proper divisors (24664967).

73994889 is a wasteful number, since it uses less digits than its factorization.

73994889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24664966.

The product of its digits is 3919104, while the sum is 57.

The square root of 73994889 is about 8602.0281910721. The cubic root of 73994889 is about 419.8239795287.

The spelling of 73994889 in words is "seventy-three million, nine hundred ninety-four thousand, eight hundred eighty-nine".