72333861 has 16 divisors (see below), whose sum is σ = 103796928. Its totient is φ = 44640000.

The previous prime is 72333851. The next prime is 72333871. The reversal of 72333861 is 16833327.

It is an interprime number because it is at equal distance from previous prime (72333851) and next prime (72333871).

It is not a de Polignac number, because 72333861 - 2¹⁵ = 72301093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72333851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8515 + ... + 14736.

It is an arithmetic number, because the mean of its divisors is an integer number (6487308).

Almost surely, 2^72333861 is an apocalyptic number.

It is an amenable number.

72333861 is a deficient number, since it is larger than the sum of its proper divisors (31463067).

72333861 is a wasteful number, since it uses less digits than its factorization.

72333861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23332.

The product of its digits is 18144, while the sum is 33.

The square root of 72333861 is about 8504.9315693896. The cubic root of 72333861 is about 416.6587907489.

The spelling of 72333861 in words is "seventy-two million, three hundred thirty-three thousand, eight hundred sixty-one".