7501060665 has 48 divisors (see below), whose sum is σ = 15047385600. Its totient is φ = 3385639296.

The previous prime is 7501060663. The next prime is 7501060667. The reversal of 7501060665 is 5660601057.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7501060663) and next prime (7501060667).

It is not a de Polignac number, because 7501060665 - 2¹ = 7501060663 is a prime.

It is a super-2 number, since 2×7501060665² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7501060663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125830 + ... + 175599.

It is an arithmetic number, because the mean of its divisors is an integer number (313487200).

Almost surely, 2^7501060665 is an apocalyptic number.

It is an amenable number.

7501060665 is an abundant number, since it is smaller than the sum of its proper divisors (7546324935).

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

7501060665 is a wasteful number, since it uses less digits than its factorization.

7501060665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301526 (or 301523 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 7501060665 is about 86608.6639141836. The cubic root of 7501060665 is about 1957.5260909701.

The spelling of 7501060665 in words is "seven billion, five hundred one million, sixty thousand, six hundred sixty-five".