7121062764 has 36 divisors (see below), whose sum is σ = 18003028680. Its totient is φ = 2373349440.

The previous prime is 7121062757. The next prime is 7121062769. The reversal of 7121062764 is 4672601217.

7121062764 is a `hidden beast` number, since 7 + 1 + 21 + 0 + 627 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7121062769) 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 11 ways as a sum of consecutive naturals, for example, 469207 + ... + 484145.

It is an arithmetic number, because the mean of its divisors is an integer number (500084130).

Almost surely, 2^7121062764 is an apocalyptic number.

It is an amenable number.

7121062764 is an abundant number, since it is smaller than the sum of its proper divisors (10881965916).

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

7121062764 is a wasteful number, since it uses less digits than its factorization.

7121062764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28190 (or 28185 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 7121062764 is about 84386.3896845931. The cubic root of 7121062764 is about 1923.8960568872.

The spelling of 7121062764 in words is "seven billion, one hundred twenty-one million, sixty-two thousand, seven hundred sixty-four".