72859744 has 12 divisors (see below), whose sum is σ = 143442684. Its totient is φ = 36429856.

The previous prime is 72859741. The next prime is 72859783. The reversal of 72859744 is 44795827.

It is a junction number, because it is equal to n+sod(n) for n = 72859694 and 72859703.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138402 + ... + 1138465.

It is an arithmetic number, because the mean of its divisors is an integer number (11953557).

Almost surely, 2^72859744 is an apocalyptic number.

It is an amenable number.

72859744 is a deficient number, since it is larger than the sum of its proper divisors (70582940).

72859744 is a wasteful number, since it uses less digits than its factorization.

72859744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276877 (or 2276869 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 72859744 is about 8535.7919374830. The cubic root of 72859744 is about 417.6660871221. Note that the first 3 decimals are identical.

The spelling of 72859744 in words is "seventy-two million, eight hundred fifty-nine thousand, seven hundred forty-four".