67872933 has 6 divisors (see below), whose sum is σ = 98038694. Its totient is φ = 45248616.

The previous prime is 67872907. The next prime is 67872941. The reversal of 67872933 is 33927876.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61732449 + 6140484 = 7857^2 + 2478^2 .

It is not a de Polignac number, because 67872933 - 2⁵ = 67872901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67882933) 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 5 ways as a sum of consecutive naturals, for example, 3770710 + ... + 3770727.

Almost surely, 2^67872933 is an apocalyptic number.

It is an amenable number.

67872933 is a deficient number, since it is larger than the sum of its proper divisors (30165761).

67872933 is a wasteful number, since it uses less digits than its factorization.

67872933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541443 (or 7541440 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 67872933 is about 8238.5030800504. The cubic root of 67872933 is about 407.9111145760.

The spelling of 67872933 in words is "sixty-seven million, eight hundred seventy-two thousand, nine hundred thirty-three".