72446078 has 8 divisors (see below), whose sum is σ = 115061472. Its totient is φ = 34092256.

The previous prime is 72446063. The next prime is 72446093. The reversal of 72446078 is 87064427.

It is an interprime number because it is at equal distance from previous prime (72446063) and next prime (72446093).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065350 + ... + 1065417.

It is an arithmetic number, because the mean of its divisors is an integer number (14382684).

Almost surely, 2^72446078 is an apocalyptic number.

72446078 is a deficient number, since it is larger than the sum of its proper divisors (42615394).

72446078 is a wasteful number, since it uses less digits than its factorization.

72446078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130786.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 72446078 is about 8511.5261851210. The cubic root of 72446078 is about 416.8741442080.

The spelling of 72446078 in words is "seventy-two million, four hundred forty-six thousand, seventy-eight".