73005890 has 16 divisors (see below), whose sum is σ = 131978808. Its totient is φ = 29076096.

The previous prime is 73005883. The next prime is 73005893. The reversal of 73005890 is 9850037.

It can be written as a sum of positive squares in 4 ways, for example, as 68840209 + 4165681 = 8297^2 + 2041^2 .

It is a super-3 number, since 3×73005890³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73005893) 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, 13337 + ... + 17996.

Almost surely, 2^73005890 is an apocalyptic number.

73005890 is a deficient number, since it is larger than the sum of its proper divisors (58972918).

73005890 is a wasteful number, since it uses less digits than its factorization.

73005890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31573.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 73005890 is about 8544.3484245436. The cubic root of 73005890 is about 417.9451596591.

The spelling of 73005890 in words is "seventy-three million, five thousand, eight hundred ninety".