72886937 has 4 divisors (see below), whose sum is σ = 73268736. Its totient is φ = 72505140.

The previous prime is 72886927. The next prime is 72886969. The reversal of 72886937 is 73968827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73968827 = 239 ⋅309493.

It is a cyclic number.

It is not a de Polignac number, because 72886937 - 2⁶ = 72886873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72886927) 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 3 ways as a sum of consecutive naturals, for example, 190613 + ... + 190994.

It is an arithmetic number, because the mean of its divisors is an integer number (18317184).

Almost surely, 2^72886937 is an apocalyptic number.

It is an amenable number.

72886937 is a deficient number, since it is larger than the sum of its proper divisors (381799).

72886937 is a wasteful number, since it uses less digits than its factorization.

72886937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381798.

The product of its digits is 1016064, while the sum is 50.

The square root of 72886937 is about 8537.3846697920. The cubic root of 72886937 is about 417.7180416519.

The spelling of 72886937 in words is "seventy-two million, eight hundred eighty-six thousand, nine hundred thirty-seven".