72446373687 has 8 divisors (see below), whose sum is σ = 97290094720. Its totient is φ = 47950117560.

The previous prime is 72446373619. The next prime is 72446373689. The reversal of 72446373687 is 78637364427.

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

It is not a de Polignac number, because 72446373687 - 2⁸ = 72446373431 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 (72446373689) 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, 86865739 + ... + 86866572.

It is an arithmetic number, because the mean of its divisors is an integer number (12161261840).

Almost surely, 2^72446373687 is an apocalyptic number.

72446373687 is a deficient number, since it is larger than the sum of its proper divisors (24843721033).

72446373687 is a wasteful number, since it uses less digits than its factorization.

72446373687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173732453.

The product of its digits is 28449792, while the sum is 57.

The spelling of 72446373687 in words is "seventy-two billion, four hundred forty-six million, three hundred seventy-three thousand, six hundred eighty-seven".