72260446 has 8 divisors (see below), whose sum is σ = 109108944. Its totient is φ = 35890800.

The previous prime is 72260429. The next prime is 72260459. The reversal of 72260446 is 64406227.

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

It is a super-2 number, since 2×72260446² = 10443144112237832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119335 + ... + 119938.

It is an arithmetic number, because the mean of its divisors is an integer number (13638618).

Almost surely, 2^72260446 is an apocalyptic number.

72260446 is a deficient number, since it is larger than the sum of its proper divisors (36848498).

72260446 is a wasteful number, since it uses less digits than its factorization.

72260446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239426.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 72260446 is about 8500.6144483796. The cubic root of 72260446 is about 416.5177809034.

The spelling of 72260446 in words is "seventy-two million, two hundred sixty thousand, four hundred forty-six".