72412102 has 16 divisors (see below), whose sum is σ = 126669600. Its totient is φ = 31033464.

The previous prime is 72412099. The next prime is 72412121. The reversal of 72412102 is 20121427.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72412102.

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 7 ways as a sum of consecutive naturals, for example, 52093 + ... + 53464.

It is an arithmetic number, because the mean of its divisors is an integer number (7916850).

Almost surely, 2^72412102 is an apocalyptic number.

72412102 is a deficient number, since it is larger than the sum of its proper divisors (54257498).

72412102 is a wasteful number, since it uses less digits than its factorization.

72412102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105580 (or 105566 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 72412102 is about 8509.5300692811. The cubic root of 72412102 is about 416.8089650151.

Adding to 72412102 its reverse (20121427), we get a palindrome (92533529).

The spelling of 72412102 in words is "seventy-two million, four hundred twelve thousand, one hundred two".