75663724061 has 8 divisors (see below), whose sum is σ = 76777584000. Its totient is φ = 74553766560.

The previous prime is 75663724009. The next prime is 75663724063. The reversal of 75663724061 is 16042736657.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75663724061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75663723997 and 75663724015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75663724063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936536 + ... + 1014113.

It is an arithmetic number, because the mean of its divisors is an integer number (9597198000).

Almost surely, 2^75663724061 is an apocalyptic number.

It is an amenable number.

75663724061 is a deficient number, since it is larger than the sum of its proper divisors (1113859939).

75663724061 is a wasteful number, since it uses less digits than its factorization.

75663724061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951219.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 75663724061 in words is "seventy-five billion, six hundred sixty-three million, seven hundred twenty-four thousand, sixty-one".