73630746761 has 16 divisors (see below), whose sum is σ = 86798537280. Its totient is φ = 61577123520.

The previous prime is 73630746731. The next prime is 73630746779. The reversal of 73630746761 is 16764703637.

It is a de Polignac number, because none of the positive numbers 2^k-73630746761 is a prime.

It is a super-2 number, since 2×73630746761² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73630746731) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 836771 + ... + 920568.

It is an arithmetic number, because the mean of its divisors is an integer number (5424908580).

Almost surely, 2^73630746761 is an apocalyptic number.

It is an amenable number.

73630746761 is a deficient number, since it is larger than the sum of its proper divisors (13167790519).

73630746761 is a wasteful number, since it uses less digits than its factorization.

73630746761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757656.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 73630746761 in words is "seventy-three billion, six hundred thirty million, seven hundred forty-six thousand, seven hundred sixty-one".