76321724249 has 8 divisors (see below), whose sum is σ = 77820428160. Its totient is φ = 74825193456.

The previous prime is 76321724243. The next prime is 76321724287. The reversal of 76321724249 is 94242712367.

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-76321724249 is a prime.

It is a super-3 number, since 3×76321724249³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76321724243) 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, 472259 + ... + 612920.

It is an arithmetic number, because the mean of its divisors is an integer number (9727553520).

Almost surely, 2^76321724249 is an apocalyptic number.

It is an amenable number.

76321724249 is a deficient number, since it is larger than the sum of its proper divisors (1498703911).

76321724249 is a wasteful number, since it uses less digits than its factorization.

76321724249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086559.

The product of its digits is 1016064, while the sum is 47.

The spelling of 76321724249 in words is "seventy-six billion, three hundred twenty-one million, seven hundred twenty-four thousand, two hundred forty-nine".