3891674725 has 12 divisors (see below), whose sum is σ = 4916728836. Its totient is φ = 3054596480.

The previous prime is 3891674711. The next prime is 3891674729. The reversal of 3891674725 is 5274761983.

3891674725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 291794724 + 3599880001 = 17082^2 + 59999^2 .

It is not a de Polignac number, because 3891674725 - 2⁵ = 3891674693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891674729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1467232 + ... + 1469881.

It is an arithmetic number, because the mean of its divisors is an integer number (409727403).

Almost surely, 2^3891674725 is an apocalyptic number.

It is an amenable number.

3891674725 is a deficient number, since it is larger than the sum of its proper divisors (1025054111).

3891674725 is a wasteful number, since it uses less digits than its factorization.

3891674725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937176 (or 2937171 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 3891674725 is about 62383.2888280187. The cubic root of 3891674725 is about 1572.9400768256.

The spelling of 3891674725 in words is "three billion, eight hundred ninety-one million, six hundred seventy-four thousand, seven hundred twenty-five".