34978995 has 24 divisors (see below), whose sum is σ = 62043696. Its totient is φ = 18220608.

The previous prime is 34978991. The next prime is 34978997. The reversal of 34978995 is 59987943.

It is not a de Polignac number, because 34978995 - 2² = 34978991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34978991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7104 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (2585154).

Almost surely, 2^34978995 is an apocalyptic number.

34978995 is a deficient number, since it is larger than the sum of its proper divisors (27064701).

34978995 is a wasteful number, since it uses less digits than its factorization.

34978995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18131 (or 18128 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 34978995 is about 5914.3042701572. The cubic root of 34978995 is about 327.0411810213.

The spelling of 34978995 in words is "thirty-four million, nine hundred seventy-eight thousand, nine hundred ninety-five".