72603026 has 8 divisors (see below), whose sum is σ = 110396604. Its totient is φ = 35804160.

The previous prime is 72603017. The next prime is 72603029. The reversal of 72603026 is 62030627.

It can be written as a sum of positive squares in 2 ways, for example, as 61387225 + 11215801 = 7835^2 + 3349^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 72602986 and 72603004.

It is not an unprimeable number, because it can be changed into a prime (72603029) 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, 248495 + ... + 248786.

Almost surely, 2^72603026 is an apocalyptic number.

72603026 is a deficient number, since it is larger than the sum of its proper divisors (37793578).

72603026 is a wasteful number, since it uses less digits than its factorization.

72603026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497356.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 72603026 is about 8520.7409302243. The cubic root of 72603026 is about 417.1749673586.

The spelling of 72603026 in words is "seventy-two million, six hundred three thousand, twenty-six".