73285990 has 16 divisors (see below), whose sum is σ = 132046848. Its totient is φ = 29285056.

The previous prime is 73285973. The next prime is 73285991. The reversal of 73285990 is 9958237.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73285991) 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, 8859 + ... + 15001.

It is an arithmetic number, because the mean of its divisors is an integer number (8252928).

Almost surely, 2^73285990 is an apocalyptic number.

73285990 is a deficient number, since it is larger than the sum of its proper divisors (58760858).

73285990 is a wasteful number, since it uses less digits than its factorization.

73285990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 73285990 is about 8560.7236843622. The cubic root of 73285990 is about 418.4789843599.

The spelling of 73285990 in words is "seventy-three million, two hundred eighty-five thousand, nine hundred ninety".