76572318901 has 16 divisors (see below), whose sum is σ = 87326742384. Its totient is φ = 66514074624.

The previous prime is 76572318899. The next prime is 76572318913. The reversal of 76572318901 is 10981327567.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3442638276 + 73129680625 = 58674^2 + 270425^2 .

It is a cyclic number.

It is not a de Polignac number, because 76572318901 - 2¹ = 76572318899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76572318701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638211 + ... + 1684303.

It is an arithmetic number, because the mean of its divisors is an integer number (5457921399).

Almost surely, 2^76572318901 is an apocalyptic number.

It is an amenable number.

76572318901 is a deficient number, since it is larger than the sum of its proper divisors (10754423483).

76572318901 is a wasteful number, since it uses less digits than its factorization.

76572318901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53640.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 76572318901 in words is "seventy-six billion, five hundred seventy-two million, three hundred eighteen thousand, nine hundred one".