75320506 has 8 divisors (see below), whose sum is σ = 119626740. Its totient is φ = 35444928.

The previous prime is 75320471. The next prime is 75320513. The reversal of 75320506 is 60502357.

It can be written as a sum of positive squares in 2 ways, for example, as 74978281 + 342225 = 8659^2 + 585^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107621 + ... + 1107688.

Almost surely, 2^75320506 is an apocalyptic number.

75320506 is a deficient number, since it is larger than the sum of its proper divisors (44306234).

75320506 is a wasteful number, since it uses less digits than its factorization.

75320506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215328.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 75320506 is about 8678.7387332492. The cubic root of 75320506 is about 422.3162016974.

The spelling of 75320506 in words is "seventy-five million, three hundred twenty thousand, five hundred six".