7467447121 has 4 divisors (see below), whose sum is σ = 7708332544. Its totient is φ = 7226561700.

The previous prime is 7467447109. The next prime is 7467447167. The reversal of 7467447121 is 1217447647.

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 7467447121 - 2¹⁷ = 7467316049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7467447521) 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, 120442665 + ... + 120442726.

It is an arithmetic number, because the mean of its divisors is an integer number (1927083136).

Almost surely, 2^7467447121 is an apocalyptic number.

It is an amenable number.

7467447121 is a deficient number, since it is larger than the sum of its proper divisors (240885423).

7467447121 is a wasteful number, since it uses less digits than its factorization.

7467447121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240885422.

The product of its digits is 263424, while the sum is 43.

The square root of 7467447121 is about 86414.3918626984. The cubic root of 7467447121 is about 1954.5977086216.

The spelling of 7467447121 in words is "seven billion, four hundred sixty-seven million, four hundred forty-seven thousand, one hundred twenty-one".