72442762 has 8 divisors (see below), whose sum is σ = 124187616. Its totient is φ = 31046892.

The previous prime is 72442759. The next prime is 72442771. The reversal of 72442762 is 26724427.

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

It is an unprimeable number.

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, 2587228 + ... + 2587255.

It is an arithmetic number, because the mean of its divisors is an integer number (15523452).

Almost surely, 2^72442762 is an apocalyptic number.

72442762 is a deficient number, since it is larger than the sum of its proper divisors (51744854).

72442762 is a wasteful number, since it uses less digits than its factorization.

72442762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174492.

The product of its digits is 37632, while the sum is 34.

The square root of 72442762 is about 8511.3313882142. The cubic root of 72442762 is about 416.8677837268.

The spelling of 72442762 in words is "seventy-two million, four hundred forty-two thousand, seven hundred sixty-two".