73740706667 has 4 divisors (see below), whose sum is σ = 74629149000. Its totient is φ = 72852264336.

The previous prime is 73740706657. The next prime is 73740706703. The reversal of 73740706667 is 76660704737.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73740706667 - 2⁴ = 73740706651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73740706657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444221042 + ... + 444221207.

It is an arithmetic number, because the mean of its divisors is an integer number (18657287250).

Almost surely, 2^73740706667 is an apocalyptic number.

73740706667 is a deficient number, since it is larger than the sum of its proper divisors (888442333).

73740706667 is an equidigital number, since it uses as much as digits as its factorization.

73740706667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888442332.

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 73740706667 in words is "seventy-three billion, seven hundred forty million, seven hundred six thousand, six hundred sixty-seven".