74700161 has 8 divisors (see below), whose sum is σ = 76374144. Its totient is φ = 73036080.

The previous prime is 74700149. The next prime is 74700163. The reversal of 74700161 is 16100747.

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 74700161 - 2¹⁰ = 74699137 is a prime.

It is a super-2 number, since 2×74700161² = 11160228106851842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74700161.

It is not an unprimeable number, because it can be changed into a prime (74700163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13976 + ... + 18566.

It is an arithmetic number, because the mean of its divisors is an integer number (9546768).

Almost surely, 2^74700161 is an apocalyptic number.

It is an amenable number.

74700161 is a deficient number, since it is larger than the sum of its proper divisors (1673983).

74700161 is a wasteful number, since it uses less digits than its factorization.

74700161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 74700161 is about 8642.9254885137. The cubic root of 74700161 is about 421.1535953876.

The spelling of 74700161 in words is "seventy-four million, seven hundred thousand, one hundred sixty-one".