72603226 has 32 divisors (see below), whose sum is σ = 121150080. Its totient is φ = 32457216.

The previous prime is 72603197. The next prime is 72603227. The reversal of 72603226 is 62230627.

It is a junction number, because it is equal to n+sod(n) for n = 72603194 and 72603203.

It is not an unprimeable number, because it can be changed into a prime (72603227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177310 + ... + 177718.

It is an arithmetic number, because the mean of its divisors is an integer number (3785940).

Almost surely, 2^72603226 is an apocalyptic number.

72603226 is a deficient number, since it is larger than the sum of its proper divisors (48546854).

72603226 is a wasteful number, since it uses less digits than its factorization.

72603226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 72603226 is about 8520.7526662848. The cubic root of 72603226 is about 417.1753504231.

The spelling of 72603226 in words is "seventy-two million, six hundred three thousand, two hundred twenty-six".