274340430 has 384 divisors, whose sum is σ = 968647680. Its totient is φ = 52254720.

The previous prime is 274340399. The next prime is 274340461. The reversal of 274340430 is 34043472.

274340430 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (274340399) and next prime (274340461).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 274340394 and 274340403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6379989 + ... + 6380031.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^274340430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274340430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484323840).

274340430 is an abundant number, since it is smaller than the sum of its proper divisors (694307250).

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

274340430 is a wasteful number, since it uses less digits than its factorization.

274340430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 274340430 is about 16563.2252294051. The cubic root of 274340430 is about 649.7754095871.

The spelling of 274340430 in words is "two hundred seventy-four million, three hundred forty thousand, four hundred thirty".