34776640 has 28 divisors (see below), whose sum is σ = 82812636. Its totient is φ = 13910528.

The previous prime is 34776629. The next prime is 34776641. The reversal of 34776640 is 4667743.

It can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 11505664 = 4824^2 + 3392^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34776640.

It is not an unprimeable number, because it can be changed into a prime (34776641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54019 + ... + 54658.

Almost surely, 2^34776640 is an apocalyptic number.

It is an amenable number.

34776640 is an abundant number, since it is smaller than the sum of its proper divisors (48035996).

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

34776640 is a wasteful number, since it uses less digits than its factorization.

34776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108694 (or 108684 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 34776640 is about 5897.1722036922. The cubic root of 34776640 is about 326.4093118579.

The spelling of 34776640 in words is "thirty-four million, seven hundred seventy-six thousand, six hundred forty".