75213161 has 8 divisors (see below), whose sum is σ = 78355200. Its totient is φ = 72115920.

The previous prime is 75213143. The next prime is 75213163. The reversal of 75213161 is 16131257.

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

It is not a de Polignac number, because 75213161 - 2¹⁴ = 75196777 is a prime.

It is a super-2 number, since 2×75213161² = 11314039175223842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75213161.

It is not an unprimeable number, because it can be changed into a prime (75213163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7751 + ... + 14508.

It is an arithmetic number, because the mean of its divisors is an integer number (9794400).

Almost surely, 2^75213161 is an apocalyptic number.

It is an amenable number.

75213161 is a deficient number, since it is larger than the sum of its proper divisors (3142039).

75213161 is a wasteful number, since it uses less digits than its factorization.

75213161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22399.

The product of its digits is 1260, while the sum is 26.

The square root of 75213161 is about 8672.5521618495. The cubic root of 75213161 is about 422.1154812994.

The spelling of 75213161 in words is "seventy-five million, two hundred thirteen thousand, one hundred sixty-one".