3729634787 has 4 divisors (see below), whose sum is σ = 3731491416. Its totient is φ = 3727778160.

The previous prime is 3729634747. The next prime is 3729634819. The reversal of 3729634787 is 7874369273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7874369273 = 4649 ⋅1693777.

It is a cyclic number.

It is not a de Polignac number, because 3729634787 - 2¹⁶ = 3729569251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3729634747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925298 + ... + 929319.

It is an arithmetic number, because the mean of its divisors is an integer number (932872854).

Almost surely, 2^3729634787 is an apocalyptic number.

3729634787 is a deficient number, since it is larger than the sum of its proper divisors (1856629).

3729634787 is a wasteful number, since it uses less digits than its factorization.

3729634787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856628.

The product of its digits is 10668672, while the sum is 56.

The square root of 3729634787 is about 61070.7359297397. The cubic root of 3729634787 is about 1550.7987263211.

The spelling of 3729634787 in words is "three billion, seven hundred twenty-nine million, six hundred thirty-four thousand, seven hundred eighty-seven".