72262626 has 8 divisors (see below), whose sum is σ = 144525264. Its totient is φ = 24087540.

The previous prime is 72262609. The next prime is 72262657. The reversal of 72262626 is 62626227.

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

72262626 is an admirable number.

It is a super-3 number, since 3×72262626³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 6021880 + ... + 6021891.

It is an arithmetic number, because the mean of its divisors is an integer number (18065658).

Almost surely, 2^72262626 is an apocalyptic number.

72262626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72262626 is a wasteful number, since it uses less digits than its factorization.

72262626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043776.

The product of its digits is 24192, while the sum is 33.

The square root of 72262626 is about 8500.7426734374. The cubic root of 72262626 is about 416.5219694541.

The spelling of 72262626 in words is "seventy-two million, two hundred sixty-two thousand, six hundred twenty-six".