75146605 has 8 divisors (see below), whose sum is σ = 90465912. Its totient is φ = 59923968.

The previous prime is 75146581. The next prime is 75146611. The reversal of 75146605 is 50664157.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3337929 + 71808676 = 1827^2 + 8474^2 .

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 75146605 - 2¹⁷ = 75015533 is a prime.

It is a Duffinian number.

It is a congruent 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, 22444 + ... + 25573.

It is an arithmetic number, because the mean of its divisors is an integer number (11308239).

Almost surely, 2^75146605 is an apocalyptic number.

It is an amenable number.

75146605 is a deficient number, since it is larger than the sum of its proper divisors (15319307).

75146605 is a wasteful number, since it uses less digits than its factorization.

75146605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48335.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 75146605 is about 8668.7141491688. The cubic root of 75146605 is about 421.9909347947.

The spelling of 75146605 in words is "seventy-five million, one hundred forty-six thousand, six hundred five".