7481664534 has 16 divisors (see below), whose sum is σ = 14974041600. Its totient is φ = 2492102760.

The previous prime is 7481664473. The next prime is 7481664559. The reversal of 7481664534 is 4354661847.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 437262 + ... + 454049.

It is an arithmetic number, because the mean of its divisors is an integer number (935877600).

Almost surely, 2^7481664534 is an apocalyptic number.

7481664534 is an abundant number, since it is smaller than the sum of its proper divisors (7492377066).

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

7481664534 is a wasteful number, since it uses less digits than its factorization.

7481664534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892715.

The product of its digits is 1935360, while the sum is 48.

The square root of 7481664534 is about 86496.6157372645. The cubic root of 7481664534 is about 1955.8373873162.

The spelling of 7481664534 in words is "seven billion, four hundred eighty-one million, six hundred sixty-four thousand, five hundred thirty-four".