34273440 has 72 divisors (see below), whose sum is σ = 116963028. Its totient is φ = 9139200.

The previous prime is 34273429. The next prime is 34273453. The reversal of 34273440 is 4437243.

It can be written as a sum of positive squares in 2 ways, for example, as 34152336 + 121104 = 5844^2 + 348^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10461 + ... + 13340.

Almost surely, 2^34273440 is an apocalyptic number.

34273440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34273440 is an abundant number, since it is smaller than the sum of its proper divisors (82689588).

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

34273440 is a wasteful number, since it uses less digits than its factorization.

34273440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23822 (or 23811 counting only the distinct ones).

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

The square root of 34273440 is about 5854.3522271896. The cubic root of 34273440 is about 324.8273323436.

The spelling of 34273440 in words is "thirty-four million, two hundred seventy-three thousand, four hundred forty".