73740666 has 16 divisors (see below), whose sum is σ = 147573504. Its totient is φ = 24564864.

The previous prime is 73740659. The next prime is 73740677. The reversal of 73740666 is 66604737.

It is a Curzon number.

It is an unprimeable number.

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, 10935 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (9223344).

Almost surely, 2^73740666 is an apocalyptic number.

73740666 is an abundant number, since it is smaller than the sum of its proper divisors (73832838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73740666 is a wasteful number, since it uses less digits than its factorization.

73740666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 73740666 is about 8587.2385549721. The cubic root of 73740666 is about 419.3426337865.

The spelling of 73740666 in words is "seventy-three million, seven hundred forty thousand, six hundred sixty-six".