72063238 has 32 divisors (see below), whose sum is σ = 129759840. Its totient is φ = 29652480.

The previous prime is 72063223. The next prime is 72063241. The reversal of 72063238 is 83236027.

It is a super-2 number, since 2×72063238² = 10386220542089288, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4108 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (4054995).

Almost surely, 2^72063238 is an apocalyptic number.

72063238 is a deficient number, since it is larger than the sum of its proper divisors (57696602).

72063238 is a wasteful number, since it uses less digits than its factorization.

72063238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 72063238 is about 8489.0068912683. The cubic root of 72063238 is about 416.1385255814.

The spelling of 72063238 in words is "seventy-two million, sixty-three thousand, two hundred thirty-eight".