7575000081 has 16 divisors (see below), whose sum is σ = 11020485888. Its totient is φ = 4589949200.

The previous prime is 7575000061. The next prime is 7575000091. The reversal of 7575000081 is 1800005757.

It is a cyclic number.

It is not a de Polignac number, because 7575000081 - 2⁷ = 7574999953 is a prime.

It is a super-2 number, since 2×7575000081² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (7575000031) 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, 156466 + ... + 199076.

It is an arithmetic number, because the mean of its divisors is an integer number (688780368).

Almost surely, 2^7575000081 is an apocalyptic number.

It is an amenable number.

7575000081 is a deficient number, since it is larger than the sum of its proper divisors (3445485807).

7575000081 is a wasteful number, since it uses less digits than its factorization.

7575000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48012.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 7575000081 is about 87034.4763929789. The cubic root of 7575000081 is about 1963.9369777515.

The spelling of 7575000081 in words is "seven billion, five hundred seventy-five million, eighty-one", and thus it is an aban number.