73812890 has 16 divisors (see below), whose sum is σ = 134155008. Its totient is φ = 29238096.

The previous prime is 73812887. The next prime is 73812899. The reversal of 73812890 is 9821837.

It is not an unprimeable number, because it can be changed into a prime (73812899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34802 + ... + 36861.

It is an arithmetic number, because the mean of its divisors is an integer number (8384688).

Almost surely, 2^73812890 is an apocalyptic number.

73812890 is a deficient number, since it is larger than the sum of its proper divisors (60342118).

73812890 is a wasteful number, since it uses less digits than its factorization.

73812890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71773.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 73812890 is about 8591.4428357523. The cubic root of 73812890 is about 419.4794950397.

The spelling of 73812890 in words is "seventy-three million, eight hundred twelve thousand, eight hundred ninety".