75007538 has 16 divisors (see below), whose sum is σ = 116377344. Its totient is φ = 36220080.

The previous prime is 75007529. The next prime is 75007567. The reversal of 75007538 is 83570057.

It is a super-2 number, since 2×75007538² = 11252261513642888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75007498 and 75007507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41081 + ... + 42867.

It is an arithmetic number, because the mean of its divisors is an integer number (7273584).

Almost surely, 2^75007538 is an apocalyptic number.

75007538 is a deficient number, since it is larger than the sum of its proper divisors (41369806).

75007538 is a wasteful number, since it uses less digits than its factorization.

75007538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 75007538 is about 8660.6892335426. The cubic root of 75007538 is about 421.7304606119.

The spelling of 75007538 in words is "seventy-five million, seven thousand, five hundred thirty-eight".