34579780 has 24 divisors (see below), whose sum is σ = 74164608. Its totient is φ = 13537248.

The previous prime is 34579777. The next prime is 34579781. The reversal of 34579780 is 8797543.

It is a happy number.

It is a super-2 number, since 2×34579780² = 2391522369696800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34579781) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17454 + ... + 19333.

It is an arithmetic number, because the mean of its divisors is an integer number (3090192).

Almost surely, 2^34579780 is an apocalyptic number.

It is an amenable number.

34579780 is an abundant number, since it is smaller than the sum of its proper divisors (39584828).

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

34579780 is a wasteful number, since it uses less digits than its factorization.

34579780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36843 (or 36841 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 34579780 is about 5880.4574651978. The cubic root of 34579780 is about 325.7922447096.

The spelling of 34579780 in words is "thirty-four million, five hundred seventy-nine thousand, seven hundred eighty".