3137721006 has 32 divisors (see below), whose sum is σ = 7178600448. Its totient is φ = 895658400.

The previous prime is 3137720981. The next prime is 3137721029. The reversal of 3137721006 is 6001277313.

It is a super-2 number, since 2×3137721006² = 19690586222987304072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11731 + ... + 80081.

It is an arithmetic number, because the mean of its divisors is an integer number (224331264).

Almost surely, 2^3137721006 is an apocalyptic number.

3137721006 is an abundant number, since it is smaller than the sum of its proper divisors (4040879442).

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

3137721006 is a wasteful number, since it uses less digits than its factorization.

3137721006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69456.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 3137721006 is about 56015.3640173837. The cubic root of 3137721006 is about 1463.9899938475.

Adding to 3137721006 its reverse (6001277313), we get a palindrome (9138998319).

The spelling of 3137721006 in words is "three billion, one hundred thirty-seven million, seven hundred twenty-one thousand, six".