72752346 has 24 divisors (see below), whose sum is σ = 157821300. Its totient is φ = 24221376.

The previous prime is 72752341. The next prime is 72752347. The reversal of 72752346 is 64325727.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50765625 + 21986721 = 7125^2 + 4689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72752346.

It is not an unprimeable number, because it can be changed into a prime (72752341) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16956 + ... + 20808.

Almost surely, 2^72752346 is an apocalyptic number.

72752346 is an abundant number, since it is smaller than the sum of its proper divisors (85068954).

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

72752346 is a wasteful number, since it uses less digits than its factorization.

72752346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910 (or 4907 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 72752346 is about 8529.4985784629. The cubic root of 72752346 is about 417.4607677048.

The spelling of 72752346 in words is "seventy-two million, seven hundred fifty-two thousand, three hundred forty-six".