3722690687 has 8 divisors (see below), whose sum is σ = 3759944832. Its totient is φ = 3685615000.

The previous prime is 3722690681. The next prime is 3722690689. The reversal of 3722690687 is 7860962273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3722690687 - 2¹⁸ = 3722428543 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 (3722690681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489 + ... + 86322.

It is an arithmetic number, because the mean of its divisors is an integer number (469993104).

Almost surely, 2^3722690687 is an apocalyptic number.

3722690687 is a deficient number, since it is larger than the sum of its proper divisors (37254145).

3722690687 is a wasteful number, since it uses less digits than its factorization.

3722690687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89229.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 3722690687 is about 61013.8565163685. The cubic root of 3722690687 is about 1549.8356658242.

The spelling of 3722690687 in words is "three billion, seven hundred twenty-two million, six hundred ninety thousand, six hundred eighty-seven".