3723722538 has 32 divisors (see below), whose sum is σ = 7526103936. Its totient is φ = 1228151808.

The previous prime is 3723722503. The next prime is 3723722539. The reversal of 3723722538 is 8352273273.

It is a happy number.

It is a super-2 number, since 2×3723722538² = 27732219080018322888, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3723722538.

It is not an unprimeable number, because it can be changed into a prime (3723722539) 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, 1155906 + ... + 1159122.

It is an arithmetic number, because the mean of its divisors is an integer number (235190748).

Almost surely, 2^3723722538 is an apocalyptic number.

3723722538 is an abundant number, since it is smaller than the sum of its proper divisors (3802381398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3723722538 is a wasteful number, since it uses less digits than its factorization.

3723722538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198.

The product of its digits is 423360, while the sum is 42.

The square root of 3723722538 is about 61022.3118047817. The cubic root of 3723722538 is about 1549.9788464682.

The spelling of 3723722538 in words is "three billion, seven hundred twenty-three million, seven hundred twenty-two thousand, five hundred thirty-eight".