72242102 has 16 divisors (see below), whose sum is σ = 111119040. Its totient is φ = 35208768.

The previous prime is 72242099. The next prime is 72242111. The reversal of 72242102 is 20124227.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23858 + ... + 26714.

It is an arithmetic number, because the mean of its divisors is an integer number (6944940).

Almost surely, 2^72242102 is an apocalyptic number.

72242102 is a deficient number, since it is larger than the sum of its proper divisors (38876938).

72242102 is a wasteful number, since it uses less digits than its factorization.

72242102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 72242102 is about 8499.5353990674. The cubic root of 72242102 is about 416.4825322566.

Adding to 72242102 its reverse (20124227), we get a palindrome (92366329).

It can be divided in two parts, 722 and 42102, that added together give a palindrome (42824).

The spelling of 72242102 in words is "seventy-two million, two hundred forty-two thousand, one hundred two".