7501465321 has 9 divisors (see below), whose sum is σ = 8726899671. Its totient is φ = 6429307752.

The previous prime is 7501465253. The next prime is 7501465331. The reversal of 7501465321 is 1235641057.

The square root of 7501465321 is 86611.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3833467225 + 3667998096 = 61915^2 + 60564^2 .

It is not a de Polignac number, because 7501465321 - 2⁹ = 7501464809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7501465331) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 600091 + ... + 612463.

It is an arithmetic number, because the mean of its divisors is an integer number (969655519).

Almost surely, 2^7501465321 is an apocalyptic number.

7501465321 is the 86611-st square number.

7501465321 is the 43306-th centered octagonal number.

It is an amenable number.

7501465321 is a deficient number, since it is larger than the sum of its proper divisors (1225434350).

7501465321 is an frugal number, since it uses more digits than its factorization.

7501465321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24760 (or 12380 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The cubic root of 7501465321 is about 1957.5612909003.

The spelling of 7501465321 in words is "seven billion, five hundred one million, four hundred sixty-five thousand, three hundred twenty-one".