7668401525 has 12 divisors (see below), whose sum is σ = 9525488544. Its totient is φ = 6123966000.

The previous prime is 7668401483. The next prime is 7668401557. The reversal of 7668401525 is 5251048667.

7668401525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7668401525 - 2¹⁴ = 7668385141 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254321 + ... + 282870.

It is an arithmetic number, because the mean of its divisors is an integer number (793790712).

Almost surely, 2^7668401525 is an apocalyptic number.

It is an amenable number.

7668401525 is a deficient number, since it is larger than the sum of its proper divisors (1857087019).

7668401525 is a wasteful number, since it uses less digits than its factorization.

7668401525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537772 (or 537767 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 7668401525 is about 87569.4097559188. The cubic root of 7668401525 is about 1971.9759542297.

The spelling of 7668401525 in words is "seven billion, six hundred sixty-eight million, four hundred one thousand, five hundred twenty-five".