34721995 has 16 divisors (see below), whose sum is σ = 51948288. Its totient is φ = 21644640.

The previous prime is 34721977. The next prime is 34722011. The reversal of 34721995 is 59912743.

It is not a de Polignac number, because 34721995 - 2⁷ = 34721867 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 44709 + ... + 45478.

It is an arithmetic number, because the mean of its divisors is an integer number (3246768).

Almost surely, 2^34721995 is an apocalyptic number.

34721995 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34721995 is a deficient number, since it is larger than the sum of its proper divisors (17226293).

34721995 is a wasteful number, since it uses less digits than its factorization.

34721995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90210.

The product of its digits is 68040, while the sum is 40.

The square root of 34721995 is about 5892.5372294115. The cubic root of 34721995 is about 326.2382584599.

The spelling of 34721995 in words is "thirty-four million, seven hundred twenty-one thousand, nine hundred ninety-five".