72287038 has 8 divisors (see below), whose sum is σ = 108466632. Its totient is φ = 36131496.

The previous prime is 72287029. The next prime is 72287041. The reversal of 72287038 is 83078227.

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

It is a junction number, because it is equal to n+sod(n) for n = 72286988 and 72287006.

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, 8956 + ... + 14992.

It is an arithmetic number, because the mean of its divisors is an integer number (13558329).

Almost surely, 2^72287038 is an apocalyptic number.

72287038 is a deficient number, since it is larger than the sum of its proper divisors (36179594).

72287038 is a wasteful number, since it uses less digits than its factorization.

72287038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 72287038 is about 8502.1784267328. The cubic root of 72287038 is about 416.5688677845.

The spelling of 72287038 in words is "seventy-two million, two hundred eighty-seven thousand, thirty-eight".