8742546772 has 6 divisors (see below), whose sum is σ = 15299456858. Its totient is φ = 4371273384.

The previous prime is 8742546737. The next prime is 8742546773. The reversal of 8742546772 is 2776452478.

It can be written as a sum of positive squares in only one way, i.e., 7922068036 + 820478736 = 89006^2 + 28644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742546773) 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 as a sum of consecutive naturals, namely, 1092818343 + ... + 1092818350.

Almost surely, 2^8742546772 is an apocalyptic number.

It is an amenable number.

8742546772 is a deficient number, since it is larger than the sum of its proper divisors (6556910086).

8742546772 is a wasteful number, since it uses less digits than its factorization.

8742546772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185636697 (or 2185636695 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 52.

The square root of 8742546772 is about 93501.5870025745. The cubic root of 8742546772 is about 2060.0574002920.

The spelling of 8742546772 in words is "eight billion, seven hundred forty-two million, five hundred forty-six thousand, seven hundred seventy-two".