72894933 has 12 divisors (see below), whose sum is σ = 107741920. Its totient is φ = 47466216.

The previous prime is 72894931. The next prime is 72894937. The reversal of 72894933 is 33949827.

It is a happy number.

It is not a de Polignac number, because 72894933 - 2¹ = 72894931 is a prime.

It is a super-4 number, since 4×72894933⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72894931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93793 + ... + 94566.

Almost surely, 2^72894933 is an apocalyptic number.

It is an amenable number.

72894933 is a deficient number, since it is larger than the sum of its proper divisors (34846987).

72894933 is a wasteful number, since it uses less digits than its factorization.

72894933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188408 (or 188405 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 72894933 is about 8537.8529502446. The cubic root of 72894933 is about 417.7333162286.

The spelling of 72894933 in words is "seventy-two million, eight hundred ninety-four thousand, nine hundred thirty-three".