75507505 has 8 divisors (see below), whose sum is σ = 94548672. Its totient is φ = 57779568.

The previous prime is 75507479. The next prime is 75507529. The reversal of 75507505 is 50570557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75507505 - 2⁵ = 75507473 is a prime.

It is a super-2 number, since 2×75507505² = 11402766622650050, which contains 22 as substring.

It is a Duffinian number.

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, 328179 + ... + 328408.

It is an arithmetic number, because the mean of its divisors is an integer number (11818584).

Almost surely, 2^75507505 is an apocalyptic number.

It is an amenable number.

75507505 is a deficient number, since it is larger than the sum of its proper divisors (19041167).

75507505 is a wasteful number, since it uses less digits than its factorization.

75507505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656615.

The product of its (nonzero) digits is 30625, while the sum is 34.

The square root of 75507505 is about 8689.5054519806. The cubic root of 75507505 is about 422.6654091317.

The spelling of 75507505 in words is "seventy-five million, five hundred seven thousand, five hundred five".