73251412861 has 24 divisors (see below), whose sum is σ = 84377101248. Its totient is φ = 63057960000.

The previous prime is 73251412859. The next prime is 73251412867. The reversal of 73251412861 is 16821415237.

It is not a de Polignac number, because 73251412861 - 2¹ = 73251412859 is a prime.

It is a super-2 number, since 2×73251412861² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73251412867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16679976 + ... + 16684366.

It is an arithmetic number, because the mean of its divisors is an integer number (3515712552).

Almost surely, 2^73251412861 is an apocalyptic number.

It is an amenable number.

73251412861 is a deficient number, since it is larger than the sum of its proper divisors (11125688387).

73251412861 is a wasteful number, since it uses less digits than its factorization.

73251412861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641 (or 8622 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The spelling of 73251412861 in words is "seventy-three billion, two hundred fifty-one million, four hundred twelve thousand, eight hundred sixty-one".