7285309332 has 48 divisors (see below), whose sum is σ = 19599441792. Its totient is φ = 2063093760.

The previous prime is 7285309331. The next prime is 7285309337. The reversal of 7285309332 is 2339035827.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285309331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374269 + ... + 393252.

It is an arithmetic number, because the mean of its divisors is an integer number (408321704).

Almost surely, 2^7285309332 is an apocalyptic number.

It is an amenable number.

7285309332 is an abundant number, since it is smaller than the sum of its proper divisors (12314132460).

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

7285309332 is a wasteful number, since it uses less digits than its factorization.

7285309332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767648 (or 767646 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 7285309332 is about 85354.0235255492. The cubic root of 7285309332 is about 1938.5752578144.

The spelling of 7285309332 in words is "seven billion, two hundred eighty-five million, three hundred nine thousand, three hundred thirty-two".