72683782634 has 8 divisors (see below), whose sum is σ = 109041720480. Its totient is φ = 36336542476.

The previous prime is 72683782631. The next prime is 72683782637. The reversal of 72683782634 is 43628738627.

It is an interprime number because it is at equal distance from previous prime (72683782631) and next prime (72683782637).

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

It is a self number, because there is not a number n which added to its sum of digits gives 72683782634.

It is not an unprimeable number, because it can be changed into a prime (72683782631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657414 + ... + 2684625.

It is an arithmetic number, because the mean of its divisors is an integer number (13630215060).

Almost surely, 2^72683782634 is an apocalyptic number.

72683782634 is a deficient number, since it is larger than the sum of its proper divisors (36357937846).

72683782634 is a wasteful number, since it uses less digits than its factorization.

72683782634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348844.

The product of its digits is 16257024, while the sum is 56.

The spelling of 72683782634 in words is "seventy-two billion, six hundred eighty-three million, seven hundred eighty-two thousand, six hundred thirty-four".