72424101 has 8 divisors (see below), whose sum is σ = 96606720. Its totient is φ = 48262112.

The previous prime is 72424061. The next prime is 72424109. The reversal of 72424101 is 10142427.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72424101 - 2²² = 68229797 is a prime.

It is a congruent number.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7420 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (12075840).

Almost surely, 2^72424101 is an apocalyptic number.

It is an amenable number.

72424101 is a deficient number, since it is larger than the sum of its proper divisors (24182619).

72424101 is a wasteful number, since it uses less digits than its factorization.

72424101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 72424101 is about 8510.2350731340. The cubic root of 72424101 is about 416.8319860959.

Adding to 72424101 its reverse (10142427), we get a palindrome (82566528).

The spelling of 72424101 in words is "seventy-two million, four hundred twenty-four thousand, one hundred one".