72575678 has 8 divisors (see below), whose sum is σ = 124415472. Its totient is φ = 31103856.

The previous prime is 72575677. The next prime is 72575689. The reversal of 72575678 is 87657527.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72575677) 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, 2591975 + ... + 2592002.

It is an arithmetic number, because the mean of its divisors is an integer number (15551934).

Almost surely, 2^72575678 is an apocalyptic number.

72575678 is a deficient number, since it is larger than the sum of its proper divisors (51839794).

72575678 is a wasteful number, since it uses less digits than its factorization.

72575678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183986.

The product of its digits is 823200, while the sum is 47.

The square root of 72575678 is about 8519.1359890543. The cubic root of 72575678 is about 417.1225804980.

The spelling of 72575678 in words is "seventy-two million, five hundred seventy-five thousand, six hundred seventy-eight".