274161450 has 144 divisors (see below), whose sum is σ = 738140256. Its totient is φ = 67305600.

The previous prime is 274161443. The next prime is 274161463. The reversal of 274161450 is 54161472.

It is a super-2 number, since 2×274161450² = 150329001332205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3303109 + ... + 3303191.

It is an arithmetic number, because the mean of its divisors is an integer number (5125974).

Almost surely, 2^274161450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274161450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369070128).

274161450 is an abundant number, since it is smaller than the sum of its proper divisors (463978806).

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

274161450 is a wasteful number, since it uses less digits than its factorization.

274161450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 274161450 is about 16557.8214146668. The cubic root of 274161450 is about 649.6340741149.

The spelling of 274161450 in words is "two hundred seventy-four million, one hundred sixty-one thousand, four hundred fifty".