72214462 has 8 divisors (see below), whose sum is σ = 109315800. Its totient is φ = 35775864.

The previous prime is 72214451. The next prime is 72214523. The reversal of 72214462 is 26441227.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72214462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165412 + ... + 165847.

It is an arithmetic number, because the mean of its divisors is an integer number (13664475).

Almost surely, 2^72214462 is an apocalyptic number.

72214462 is a deficient number, since it is larger than the sum of its proper divisors (37101338).

72214462 is a wasteful number, since it uses less digits than its factorization.

72214462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331370.

The product of its digits is 5376, while the sum is 28.

The square root of 72214462 is about 8497.9092722857. The cubic root of 72214462 is about 416.4294097454.

Adding to 72214462 its reverse (26441227), we get a palindrome (98655689).

The spelling of 72214462 in words is "seventy-two million, two hundred fourteen thousand, four hundred sixty-two".