3725705826 has 24 divisors (see below), whose sum is σ = 8169623280. Its totient is φ = 1226938776.

The previous prime is 3725705773. The next prime is 3725705843. The reversal of 3725705826 is 6285075273.

3725705826 is a `hidden beast` number, since 3 + 7 + 2 + 570 + 58 + 26 = 666.

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, 1245396 + ... + 1248383.

It is an arithmetic number, because the mean of its divisors is an integer number (340400970).

Almost surely, 2^3725705826 is an apocalyptic number.

3725705826 is an abundant number, since it is smaller than the sum of its proper divisors (4443917454).

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

3725705826 is a wasteful number, since it uses less digits than its factorization.

3725705826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493870 (or 2493867 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 3725705826 is about 61038.5601566747. The cubic root of 3725705826 is about 1550.2539751707.

The spelling of 3725705826 in words is "three billion, seven hundred twenty-five million, seven hundred five thousand, eight hundred twenty-six".