73009066 has 32 divisors (see below), whose sum is σ = 125349840. Its totient is φ = 31643136.

The previous prime is 73009049. The next prime is 73009073. The reversal of 73009066 is 66090037.

It can be written as a sum of positive squares in 8 ways, for example, as 60512841 + 12496225 = 7779^2 + 3535^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26590 + ... + 29206.

Almost surely, 2^73009066 is an apocalyptic number.

73009066 is a deficient number, since it is larger than the sum of its proper divisors (52340774).

73009066 is a wasteful number, since it uses less digits than its factorization.

73009066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 73009066 is about 8544.5342763664. The cubic root of 73009066 is about 417.9512202412.

The spelling of 73009066 in words is "seventy-three million, nine thousand, sixty-six".