34772840 has 16 divisors (see below), whose sum is σ = 78238980. Its totient is φ = 13909120.

The previous prime is 34772839. The next prime is 34772891. The reversal of 34772840 is 4827743.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 1295044 = 5786^2 + 1138^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34772840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434621 + ... + 434700.

Almost surely, 2^34772840 is an apocalyptic number.

It is an amenable number.

34772840 is an abundant number, since it is smaller than the sum of its proper divisors (43466140).

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

34772840 is a wasteful number, since it uses less digits than its factorization.

34772840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869332 (or 869328 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 34772840 is about 5896.8500065713. The cubic root of 34772840 is about 326.3974226456.

The spelling of 34772840 in words is "thirty-four million, seven hundred seventy-two thousand, eight hundred forty".