34797978 has 32 divisors (see below), whose sum is σ = 77569920. Its totient is φ = 11563200.

The previous prime is 34797977. The next prime is 34797979. The reversal of 34797978 is 87979743.

34797978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (34797977) and next prime (34797979).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (34797977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20851 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (2424060).

Almost surely, 2^34797978 is an apocalyptic number.

34797978 is an abundant number, since it is smaller than the sum of its proper divisors (42771942).

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

34797978 is a wasteful number, since it uses less digits than its factorization.

34797978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2013 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 34797978 is about 5898.9810984610. The cubic root of 34797978 is about 326.4760568327.

The spelling of 34797978 in words is "thirty-four million, seven hundred ninety-seven thousand, nine hundred seventy-eight".