274229280 has 384 divisors, whose sum is σ = 1092268800. Its totient is φ = 63700992.

The previous prime is 274229239. The next prime is 274229287. The reversal of 274229280 is 82922472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (274229287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1066912 + ... + 1067168.

It is an arithmetic number, because the mean of its divisors is an integer number (2844450).

Almost surely, 2^274229280 is an apocalyptic number.

274229280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274229280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546134400).

274229280 is an abundant number, since it is smaller than the sum of its proper divisors (818039520).

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

274229280 is a wasteful number, since it uses less digits than its factorization.

274229280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 274229280 is about 16559.8695647037. The cubic root of 274229280 is about 649.6876447946.

The spelling of 274229280 in words is "two hundred seventy-four million, two hundred twenty-nine thousand, two hundred eighty".