72488427 has 8 divisors (see below), whose sum is σ = 105437760. Its totient is φ = 43932360.

The previous prime is 72488399. The next prime is 72488431.

72488427 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 72488427 - 2¹² = 72484331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72480427) 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, 1098277 + ... + 1098342.

It is an arithmetic number, because the mean of its divisors is an integer number (13179720).

Almost surely, 2^72488427 is an apocalyptic number.

72488427 is a deficient number, since it is larger than the sum of its proper divisors (32949333).

72488427 is a wasteful number, since it uses less digits than its factorization.

72488427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196633.

The product of its digits is 200704, while the sum is 42.

The square root of 72488427 is about 8514.0135658807. The cubic root of 72488427 is about 416.9553575498.

The spelling of 72488427 in words is "seventy-two million, four hundred eighty-eight thousand, four hundred twenty-seven".