74161000 has 32 divisors (see below), whose sum is σ = 173539080. Its totient is φ = 29664000.

The previous prime is 74160997. The next prime is 74161037. The reversal of 74161000 is 16147.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28111204 + 46049796 = 5302^2 + 6786^2 .

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, 36081 + ... + 38080.

Almost surely, 2^74161000 is an apocalyptic number.

It is an amenable number.

74161000 is an abundant number, since it is smaller than the sum of its proper divisors (99378080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74161000 is a wasteful number, since it uses less digits than its factorization.

74161000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74182 (or 74168 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 74161000 is about 8611.6781175332. The cubic root of 74161000 is about 420.1378987852.

Adding to 74161000 its reverse (16147), we get a palindrome (74177147).

The spelling of 74161000 in words is "seventy-four million, one hundred sixty-one thousand".