7272021134 has 16 divisors (see below), whose sum is σ = 12468472800. Its totient is φ = 3116042784.

The previous prime is 7272021101. The next prime is 7272021157. The reversal of 7272021134 is 4311202727.

It is a junction number, because it is equal to n+sod(n) for n = 7272021097 and 7272021106.

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 7 ways as a sum of consecutive naturals, for example, 45512 + ... + 128900.

It is an arithmetic number, because the mean of its divisors is an integer number (779279550).

Almost surely, 2^7272021134 is an apocalyptic number.

7272021134 is a deficient number, since it is larger than the sum of its proper divisors (5196451666).

7272021134 is a wasteful number, since it uses less digits than its factorization.

7272021134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89627.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 7272021134 is about 85276.1463364756. The cubic root of 7272021134 is about 1937.3959050228.

The spelling of 7272021134 in words is "seven billion, two hundred seventy-two million, twenty-one thousand, one hundred thirty-four".