72427677 has 16 divisors (see below), whose sum is σ = 116175360. Its totient is φ = 39208752.

The previous prime is 72427657. The next prime is 72427697. The reversal of 72427677 is 77672427.

It is an interprime number because it is at equal distance from previous prime (72427657) and next prime (72427697).

It is not a de Polignac number, because 72427677 - 2¹⁵ = 72394909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72427637) 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 15 ways as a sum of consecutive naturals, for example, 90363 + ... + 91160.

It is an arithmetic number, because the mean of its divisors is an integer number (7260960).

Almost surely, 2^72427677 is an apocalyptic number.

It is an amenable number.

72427677 is a deficient number, since it is larger than the sum of its proper divisors (43747683).

72427677 is a wasteful number, since it uses less digits than its factorization.

72427677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181552.

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

The square root of 72427677 is about 8510.4451704949. The cubic root of 72427677 is about 416.8388464579.

The spelling of 72427677 in words is "seventy-two million, four hundred twenty-seven thousand, six hundred seventy-seven".