72819078 has 8 divisors (see below), whose sum is σ = 145638168. Its totient is φ = 24273024.

The previous prime is 72819073. The next prime is 72819079. The reversal of 72819078 is 87091827.

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

72819078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72819073) 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, 6068251 + ... + 6068262.

It is an arithmetic number, because the mean of its divisors is an integer number (18204771).

Almost surely, 2^72819078 is an apocalyptic number.

72819078 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.

72819078 is a wasteful number, since it uses less digits than its factorization.

72819078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12136518.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 72819078 is about 8533.4095178891. The cubic root of 72819078 is about 417.5883671581.

The spelling of 72819078 in words is "seventy-two million, eight hundred nineteen thousand, seventy-eight".