3722621727 has 16 divisors (see below), whose sum is σ = 5440394880. Its totient is φ = 2245437600.

The previous prime is 3722621723. The next prime is 3722621809. The reversal of 3722621727 is 7271262273.

It is not a de Polignac number, because 3722621727 - 2² = 3722621723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722621723) 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, 260352 + ... + 274277.

It is an arithmetic number, because the mean of its divisors is an integer number (340024680).

Almost surely, 2^3722621727 is an apocalyptic number.

3722621727 is a deficient number, since it is larger than the sum of its proper divisors (1717773153).

3722621727 is a wasteful number, since it uses less digits than its factorization.

3722621727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534854.

The product of its digits is 98784, while the sum is 39.

The square root of 3722621727 is about 61013.2913962196. The cubic root of 3722621727 is about 1549.8260959247.

The spelling of 3722621727 in words is "three billion, seven hundred twenty-two million, six hundred twenty-one thousand, seven hundred twenty-seven".