75010505 has 8 divisors (see below), whose sum is σ = 90145224. Its totient is φ = 59920000.

The previous prime is 75010427. The next prime is 75010513. The reversal of 75010505 is 50501057.

It can be written as a sum of positive squares in 4 ways, for example, as 9853321 + 65157184 = 3139^2 + 8072^2 .

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

It is not a de Polignac number, because 75010505 - 2⁸ = 75010249 is a prime.

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, 7196 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (11268153).

Almost surely, 2^75010505 is an apocalyptic number.

It is an amenable number.

75010505 is a deficient number, since it is larger than the sum of its proper divisors (15134719).

75010505 is a wasteful number, since it uses less digits than its factorization.

75010505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22107.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 75010505 is about 8660.8605230658. The cubic root of 75010505 is about 421.7360211987.

The spelling of 75010505 in words is "seventy-five million, ten thousand, five hundred five".