72677427 has 8 divisors (see below), whose sum is σ = 96958464. Its totient is φ = 48424008.

The previous prime is 72677417. The next prime is 72677441. The reversal of 72677427 is 72477627.

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

It is not a de Polignac number, because 72677427 - 2⁴ = 72677411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72677417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318 + ... + 12060.

It is an arithmetic number, because the mean of its divisors is an integer number (12119808).

Almost surely, 2^72677427 is an apocalyptic number.

72677427 is a deficient number, since it is larger than the sum of its proper divisors (24281037).

72677427 is a wasteful number, since it uses less digits than its factorization.

72677427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13809.

The product of its digits is 230496, while the sum is 42.

The square root of 72677427 is about 8525.1056884944. The cubic root of 72677427 is about 417.3174207346.

The spelling of 72677427 in words is "seventy-two million, six hundred seventy-seven thousand, four hundred twenty-seven".