72406262 has 8 divisors (see below), whose sum is σ = 111544896. Its totient is φ = 35224632.

The previous prime is 72406261. The next prime is 72406289. The reversal of 72406262 is 26260427.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72406261) 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 3 ways as a sum of consecutive naturals, for example, 489158 + ... + 489305.

It is an arithmetic number, because the mean of its divisors is an integer number (13943112).

Almost surely, 2^72406262 is an apocalyptic number.

72406262 is a deficient number, since it is larger than the sum of its proper divisors (39138634).

72406262 is a wasteful number, since it uses less digits than its factorization.

72406262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978502.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 72406262 is about 8509.1869176790. The cubic root of 72406262 is about 416.7977595686.

Adding to 72406262 its reverse (26260427), we get a palindrome (98666689).

The spelling of 72406262 in words is "seventy-two million, four hundred six thousand, two hundred sixty-two".