7281937532 has 12 divisors (see below), whose sum is σ = 12754451136. Its totient is φ = 3637808640.

The previous prime is 7281937513. The next prime is 7281937561. The reversal of 7281937532 is 2357391827.

It is a super-2 number, since 2×7281937532² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784844 + ... + 794067.

It is an arithmetic number, because the mean of its divisors is an integer number (1062870928).

Almost surely, 2^7281937532 is an apocalyptic number.

It is an amenable number.

7281937532 is a deficient number, since it is larger than the sum of its proper divisors (5472513604).

7281937532 is a wasteful number, since it uses less digits than its factorization.

7281937532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580068 (or 1580066 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 7281937532 is about 85334.2693880952. The cubic root of 7281937532 is about 1938.2761400316.

The spelling of 7281937532 in words is "seven billion, two hundred eighty-one million, nine hundred thirty-seven thousand, five hundred thirty-two".