72789042 has 8 divisors (see below), whose sum is σ = 145578096. Its totient is φ = 24263012.

The previous prime is 72789037. The next prime is 72789047. The reversal of 72789042 is 24098727.

It is an interprime number because it is at equal distance from previous prime (72789037) and next prime (72789047).

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

72789042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72789047) 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, 6065748 + ... + 6065759.

It is an arithmetic number, because the mean of its divisors is an integer number (18197262).

Almost surely, 2^72789042 is an apocalyptic number.

72789042 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.

72789042 is a wasteful number, since it uses less digits than its factorization.

72789042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131512.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 72789042 is about 8531.6494302098. The cubic root of 72789042 is about 417.5309444357.

The spelling of 72789042 in words is "seventy-two million, seven hundred eighty-nine thousand, forty-two".