72387033 has 8 divisors (see below), whose sum is σ = 96602496. Its totient is φ = 48214800.

The previous prime is 72387013. The next prime is 72387043. The reversal of 72387033 is 33078327.

It is a happy number.

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

It is not a de Polignac number, because 72387033 - 2⁸ = 72386777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72386985 and 72387003.

It is not an unprimeable number, because it can be changed into a prime (72387013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6673 + ... + 13758.

It is an arithmetic number, because the mean of its divisors is an integer number (12075312).

Almost surely, 2^72387033 is an apocalyptic number.

It is an amenable number.

72387033 is a deficient number, since it is larger than the sum of its proper divisors (24215463).

72387033 is a wasteful number, since it uses less digits than its factorization.

72387033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21615.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 72387033 is about 8508.0569462128. The cubic root of 72387033 is about 416.7608598425.

The spelling of 72387033 in words is "seventy-two million, three hundred eighty-seven thousand, thirty-three".