766172084 has 24 divisors (see below), whose sum is σ = 1392340488. Its totient is φ = 368616960.

The previous prime is 766172063. The next prime is 766172101. The reversal of 766172084 is 480271667.

It can be written as a sum of positive squares in 4 ways, for example, as 67732900 + 698439184 = 8230^2 + 26428^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20027 + ... + 43970.

It is an arithmetic number, because the mean of its divisors is an integer number (58014187).

Almost surely, 2^766172084 is an apocalyptic number.

It is an amenable number.

766172084 is a deficient number, since it is larger than the sum of its proper divisors (626168404).

766172084 is a wasteful number, since it uses less digits than its factorization.

766172084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64115 (or 64113 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 766172084 is about 27679.8136554421. The cubic root of 766172084 is about 915.0442746848.

The spelling of 766172084 in words is "seven hundred sixty-six million, one hundred seventy-two thousand, eighty-four".