73030889 has 4 divisors (see below), whose sum is σ = 76874640. Its totient is φ = 69187140.

The previous prime is 73030877. The next prime is 73030891. The reversal of 73030889 is 98803037.

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.

It is a cyclic number.

It is not a de Polignac number, because 73030889 - 2¹⁶ = 72965353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73030189) 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, 1921847 + ... + 1921884.

It is an arithmetic number, because the mean of its divisors is an integer number (19218660).

Almost surely, 2^73030889 is an apocalyptic number.

It is an amenable number.

73030889 is a deficient number, since it is larger than the sum of its proper divisors (3843751).

73030889 is a wasteful number, since it uses less digits than its factorization.

73030889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843750.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 73030889 is about 8545.8111961358. The cubic root of 73030889 is about 417.9928590922.

It can be divided in two parts, 730 and 30889, that multiplied together give a triangular number (22548970 = T₆₇₁₅).

The spelling of 73030889 in words is "seventy-three million, thirty thousand, eight hundred eighty-nine".