7661874090 has 32 divisors (see below), whose sum is σ = 19802998656. Its totient is φ = 1885999680.

The previous prime is 7661874079. The next prime is 7661874091. The reversal of 7661874090 is 904781667.

It is not an unprimeable number, because it can be changed into a prime (7661874091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9822526 + ... + 9823305.

It is an arithmetic number, because the mean of its divisors is an integer number (618843708).

Almost surely, 2^7661874090 is an apocalyptic number.

7661874090 is an abundant number, since it is smaller than the sum of its proper divisors (12141124566).

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

7661874090 is a wasteful number, since it uses less digits than its factorization.

7661874090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19645854.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 7661874090 is about 87532.1317574295. The cubic root of 7661874090 is about 1971.4162722325.

The spelling of 7661874090 in words is "seven billion, six hundred sixty-one million, eight hundred seventy-four thousand, ninety".