73406766 has 16 divisors (see below), whose sum is σ = 154540800. Its totient is φ = 23181048.

The previous prime is 73406759. The next prime is 73406783. The reversal of 73406766 is 66760437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321846 + ... + 322073.

It is an arithmetic number, because the mean of its divisors is an integer number (9658800).

Almost surely, 2^73406766 is an apocalyptic number.

73406766 is an abundant number, since it is smaller than the sum of its proper divisors (81134034).

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

73406766 is a wasteful number, since it uses less digits than its factorization.

73406766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643943.

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

The square root of 73406766 is about 8567.7748569859. The cubic root of 73406766 is about 418.7087439566.

The spelling of 73406766 in words is "seventy-three million, four hundred six thousand, seven hundred sixty-six".