72859746 has 8 divisors (see below), whose sum is σ = 145719504. Its totient is φ = 24286580.

The previous prime is 72859741. The next prime is 72859783. The reversal of 72859746 is 64795827.

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

72859746 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72859695 and 72859704.

It is not an unprimeable number, because it can be changed into a prime (72859741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6071640 + ... + 6071651.

It is an arithmetic number, because the mean of its divisors is an integer number (18214938).

Almost surely, 2^72859746 is an apocalyptic number.

72859746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72859746 is a wasteful number, since it uses less digits than its factorization.

72859746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12143296.

The product of its digits is 846720, while the sum is 48.

The square root of 72859746 is about 8535.7920546368. The cubic root of 72859746 is about 417.6660909438. Note that the first 3 decimals are identical.

The spelling of 72859746 in words is "seventy-two million, eight hundred fifty-nine thousand, seven hundred forty-six".