3729257845 has 16 divisors (see below), whose sum is σ = 4555081728. Its totient is φ = 2930558400.

The previous prime is 3729257837. The next prime is 3729257849. The reversal of 3729257845 is 5487529273.

It is a happy number.

It is not a de Polignac number, because 3729257845 - 2³ = 3729257837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3729257792 and 3729257801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3729257849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35062 + ... + 93208.

It is an arithmetic number, because the mean of its divisors is an integer number (284692608).

Almost surely, 2^3729257845 is an apocalyptic number.

It is an amenable number.

3729257845 is a deficient number, since it is larger than the sum of its proper divisors (825823883).

3729257845 is a wasteful number, since it uses less digits than its factorization.

3729257845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58380.

The product of its digits is 4233600, while the sum is 52.

The square root of 3729257845 is about 61067.6497419051. The cubic root of 3729257845 is about 1550.7464798411.

The spelling of 3729257845 in words is "three billion, seven hundred twenty-nine million, two hundred fifty-seven thousand, eight hundred forty-five".