73666666733407 has 8 divisors (see below), whose sum is σ = 80436495594240. Its totient is φ = 66908981065560.

The previous prime is 73666666733393. The next prime is 73666666733423. The reversal of 73666666733407 is 70433766666637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73666666733407 - 2⁷ = 73666666733279 is a prime.

It is a super-2 number, since 2×73666666733407² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73666666731407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035785557 + ... + 3035809822.

It is an arithmetic number, because the mean of its divisors is an integer number (10054561949280).

Almost surely, 2^{73666666733407} is an apocalyptic number.

73666666733407 is a deficient number, since it is larger than the sum of its proper divisors (6769828860833).

73666666733407 is a wasteful number, since it uses less digits than its factorization.

73666666733407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071596493.

The product of its (nonzero) digits is 1728324864, while the sum is 70.

The spelling of 73666666733407 in words is "seventy-three trillion, six hundred sixty-six billion, six hundred sixty-six million, seven hundred thirty-three thousand, four hundred seven".