72104752 has 20 divisors (see below), whose sum is σ = 147921336. Its totient is φ = 33931520.

The previous prime is 72104743. The next prime is 72104761. The reversal of 72104752 is 25740127.

It is an interprime number because it is at equal distance from previous prime (72104743) and next prime (72104761).

It is a self number, because there is not a number n which added to its sum of digits gives 72104752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132274 + ... + 132817.

Almost surely, 2^72104752 is an apocalyptic number.

It is an amenable number.

72104752 is an abundant number, since it is smaller than the sum of its proper divisors (75816584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72104752 is a wasteful number, since it uses less digits than its factorization.

72104752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265116 (or 265110 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 72104752 is about 8491.4517015643. The cubic root of 72104752 is about 416.2184195696.

Adding to 72104752 its reverse (25740127), we get a palindrome (97844879).

The spelling of 72104752 in words is "seventy-two million, one hundred four thousand, seven hundred fifty-two".