72033142 has 8 divisors (see below), whose sum is σ = 113736600. Its totient is φ = 34120944.

The previous prime is 72033139. The next prime is 72033151. The reversal of 72033142 is 24133027.

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, 947767 + ... + 947842.

It is an arithmetic number, because the mean of its divisors is an integer number (14217075).

Almost surely, 2^72033142 is an apocalyptic number.

72033142 is a deficient number, since it is larger than the sum of its proper divisors (41703458).

72033142 is a wasteful number, since it uses less digits than its factorization.

72033142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895630.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 72033142 is about 8487.2340606348. The cubic root of 72033142 is about 416.0805864282.

Adding to 72033142 its reverse (24133027), we get a palindrome (96166169).

The spelling of 72033142 in words is "seventy-two million, thirty-three thousand, one hundred forty-two".