7572264121 has 4 divisors (see below), whose sum is σ = 7589357712. Its totient is φ = 7555170532.

The previous prime is 7572264101. The next prime is 7572264127. The reversal of 7572264121 is 1214622757.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7572264121 - 2¹⁵ = 7572231353 is a prime.

It is a super-3 number, since 3×7572264121³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7572264127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8546131 + ... + 8547016.

It is an arithmetic number, because the mean of its divisors is an integer number (1897339428).

Almost surely, 2^7572264121 is an apocalyptic number.

It is an amenable number.

7572264121 is a deficient number, since it is larger than the sum of its proper divisors (17093591).

7572264121 is a wasteful number, since it uses less digits than its factorization.

7572264121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17093590.

The product of its digits is 47040, while the sum is 37.

The square root of 7572264121 is about 87018.7572940455. The cubic root of 7572264121 is about 1963.7005025042.

Adding to 7572264121 its reverse (1214622757), we get a palindrome (8786886878).

The spelling of 7572264121 in words is "seven billion, five hundred seventy-two million, two hundred sixty-four thousand, one hundred twenty-one".