72223702 has 8 divisors (see below), whose sum is σ = 108401112. Its totient is φ = 36090000.

The previous prime is 72223699. The next prime is 72223733. The reversal of 72223702 is 20732227.

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

It is a congruent 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, 6424 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (13550139).

Almost surely, 2^72223702 is an apocalyptic number.

72223702 is a deficient number, since it is larger than the sum of its proper divisors (36177410).

72223702 is a wasteful number, since it uses less digits than its factorization.

72223702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21854.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 72223702 is about 8498.4529180316. The cubic root of 72223702 is about 416.4471700090.

Adding to 72223702 its reverse (20732227), we get a palindrome (92955929).

The spelling of 72223702 in words is "seventy-two million, two hundred twenty-three thousand, seven hundred two".