7272021106 has 24 divisors (see below), whose sum is σ = 13098260736. Its totient is φ = 3016044360.

The previous prime is 7272021101. The next prime is 7272021157. The reversal of 7272021106 is 6011202727.

It is a super-2 number, since 2×7272021106² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7272021101) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1193806 + ... + 1199881.

It is an arithmetic number, because the mean of its divisors is an integer number (545760864).

Almost surely, 2^7272021106 is an apocalyptic number.

7272021106 is a deficient number, since it is larger than the sum of its proper divisors (5826239630).

7272021106 is a wasteful number, since it uses less digits than its factorization.

7272021106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393734 (or 2393727 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 7272021106 is about 85276.1461723031. The cubic root of 7272021106 is about 1937.3959025362.

The spelling of 7272021106 in words is "seven billion, two hundred seventy-two million, twenty-one thousand, one hundred six".