3720699 has 6 divisors (see below), whose sum is σ = 5374356. Its totient is φ = 2480460.

The previous prime is 3720697. The next prime is 3720701. The reversal of 3720699 is 9960273.

It is an interprime number because it is at equal distance from previous prime (3720697) and next prime (3720701).

It is not a de Polignac number, because 3720699 - 2¹ = 3720697 is a prime.

3720699 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3720697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206697 + ... + 206714.

It is an arithmetic number, because the mean of its divisors is an integer number (895726).

Almost surely, 2^3720699 is an apocalyptic number.

3720699 is a deficient number, since it is larger than the sum of its proper divisors (1653657).

3720699 is a wasteful number, since it uses less digits than its factorization.

3720699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413417 (or 413414 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 3720699 is about 1928.9113509957. The cubic root of 3720699 is about 154.9559222568.

It can be divided in two parts, 37 and 20699, that added together give a 4-th power (20736 = 12⁴).

The spelling of 3720699 in words is "three million, seven hundred twenty thousand, six hundred ninety-nine".