72424179 has 8 divisors (see below), whose sum is σ = 107295120. Its totient is φ = 48282768.

The previous prime is 72424159. The next prime is 72424193. The reversal of 72424179 is 97142427.

It is not a de Polignac number, because 72424179 - 2⁹ = 72423667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72424109) 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, 1341162 + ... + 1341215.

It is an arithmetic number, because the mean of its divisors is an integer number (13411890).

Almost surely, 2^72424179 is an apocalyptic number.

72424179 is a deficient number, since it is larger than the sum of its proper divisors (34870941).

72424179 is a wasteful number, since it uses less digits than its factorization.

72424179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682386 (or 2682380 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 72424179 is about 8510.2396558499. The cubic root of 72424179 is about 416.8321357370.

The spelling of 72424179 in words is "seventy-two million, four hundred twenty-four thousand, one hundred seventy-nine".