7291485312 has 64 divisors (see below), whose sum is σ = 20035900800. Its totient is φ = 2346681344.

The previous prime is 7291485301. The next prime is 7291485337. The reversal of 7291485312 is 2135841927.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×7291485312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316248 + ... + 338519.

It is an arithmetic number, because the mean of its divisors is an integer number (313060950).

Almost surely, 2^7291485312 is an apocalyptic number.

It is an amenable number.

7291485312 is an abundant number, since it is smaller than the sum of its proper divisors (12744415488).

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

7291485312 is a wasteful number, since it uses less digits than its factorization.

7291485312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654813 (or 654801 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 7291485312 is about 85390.1944721992. The cubic root of 7291485312 is about 1939.1228996457.

The spelling of 7291485312 in words is "seven billion, two hundred ninety-one million, four hundred eighty-five thousand, three hundred twelve".