7215534460 has 24 divisors (see below), whose sum is σ = 15156990576. Its totient is φ = 2885381760.

The previous prime is 7215534437. The next prime is 7215534467. The reversal of 7215534460 is 644355127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215534467) 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, 21655 + ... + 122065.

It is an arithmetic number, because the mean of its divisors is an integer number (631541274).

Almost surely, 2^7215534460 is an apocalyptic number.

It is an amenable number.

7215534460 is an abundant number, since it is smaller than the sum of its proper divisors (7941456116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7215534460 is a wasteful number, since it uses less digits than its factorization.

7215534460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104013 (or 104011 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 7215534460 is about 84944.3021043790. The cubic root of 7215534460 is about 1932.3665083315.

Adding to 7215534460 its reverse (644355127), we get a palindrome (7859889587).

The spelling of 7215534460 in words is "seven billion, two hundred fifteen million, five hundred thirty-four thousand, four hundred sixty".