7362721006 has 16 divisors (see below), whose sum is σ = 11216709504. Its totient is φ = 3624132024.

The previous prime is 7362720997. The next prime is 7362721007. The reversal of 7362721006 is 6001272637.

It is a happy number.

It is a super-2 number, since 2×7362721006² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7362721007) 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, 31386 + ... + 125341.

It is an arithmetic number, because the mean of its divisors is an integer number (701044344).

Almost surely, 2^7362721006 is an apocalyptic number.

7362721006 is a deficient number, since it is larger than the sum of its proper divisors (3853988498).

7362721006 is a wasteful number, since it uses less digits than its factorization.

7362721006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157095.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 7362721006 is about 85806.2993375195. The cubic root of 7362721006 is about 1945.4173348625.

The spelling of 7362721006 in words is "seven billion, three hundred sixty-two million, seven hundred twenty-one thousand, six".