73566040 has 32 divisors (see below), whose sum is σ = 171234000. Its totient is φ = 28411264.

The previous prime is 73565981. The next prime is 73566047. The reversal of 73566040 is 4066537.

It is a junction number, because it is equal to n+sod(n) for n = 73565993 and 73566011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73566047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30550 + ... + 32869.

Almost surely, 2^73566040 is an apocalyptic number.

It is an amenable number.

73566040 is an abundant number, since it is smaller than the sum of its proper divisors (97667960).

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

73566040 is a wasteful number, since it uses less digits than its factorization.

73566040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63459 (or 63455 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 73566040 is about 8577.0647659908. The cubic root of 73566040 is about 419.0113556692.

The spelling of 73566040 in words is "seventy-three million, five hundred sixty-six thousand, forty".