3722007892 has 24 divisors (see below), whose sum is σ = 6646469256. Its totient is φ = 1823123328.

The previous prime is 3722007851. The next prime is 3722007893. The reversal of 3722007892 is 2987002273.

It can be written as a sum of positive squares in 4 ways, for example, as 1590892996 + 2131114896 = 39886^2 + 46164^2 .

It is a super-2 number, since 2×3722007892² = 27706685496220567328, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722007893) 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, 130558 + ... + 156490.

It is an arithmetic number, because the mean of its divisors is an integer number (276936219).

Almost surely, 2^3722007892 is an apocalyptic number.

It is an amenable number.

3722007892 is a deficient number, since it is larger than the sum of its proper divisors (2924461364).

3722007892 is a wasteful number, since it uses less digits than its factorization.

3722007892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26667 (or 26665 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 3722007892 is about 61008.2608504783. The cubic root of 3722007892 is about 1549.7409059819.

The spelling of 3722007892 in words is "three billion, seven hundred twenty-two million, seven thousand, eight hundred ninety-two".