7281012432 has 40 divisors (see below), whose sum is σ = 18995525280. Its totient is φ = 2402972800.

The previous prime is 7281012419. The next prime is 7281012437. The reversal of 7281012432 is 2342101827.

It is a self number, because there is not a number n which added to its sum of digits gives 7281012432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7281012437) 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, 746082 + ... + 755777.

It is an arithmetic number, because the mean of its divisors is an integer number (474888132).

Almost surely, 2^7281012432 is an apocalyptic number.

It is an amenable number.

7281012432 is an abundant number, since it is smaller than the sum of its proper divisors (11714512848).

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

7281012432 is a wasteful number, since it uses less digits than its factorization.

7281012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501971 (or 1501965 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7281012432 is about 85328.8487675768. The cubic root of 7281012432 is about 1938.1940567862.

The spelling of 7281012432 in words is "seven billion, two hundred eighty-one million, twelve thousand, four hundred thirty-two".