73872098639 has 8 divisors (see below), whose sum is σ = 78394087440. Its totient is φ = 69369728896.

The previous prime is 73872098611. The next prime is 73872098693. The reversal of 73872098639 is 93689027837.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-73872098639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73872098609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4897004 + ... + 4912065.

It is an arithmetic number, because the mean of its divisors is an integer number (9799260930).

Almost surely, 2^73872098639 is an apocalyptic number.

73872098639 is a deficient number, since it is larger than the sum of its proper divisors (4521988801).

73872098639 is a wasteful number, since it uses less digits than its factorization.

73872098639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809529.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 73872098639 in words is "seventy-three billion, eight hundred seventy-two million, ninety-eight thousand, six hundred thirty-nine".