34920447 has 8 divisors (see below), whose sum is σ = 47022000. Its totient is φ = 23049600.

The previous prime is 34920443. The next prime is 34920491. The reversal of 34920447 is 74402943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34920447 - 2² = 34920443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34920443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57322 + ... + 57927.

It is an arithmetic number, because the mean of its divisors is an integer number (5877750).

Almost surely, 2^34920447 is an apocalyptic number.

34920447 is a deficient number, since it is larger than the sum of its proper divisors (12101553).

34920447 is a wasteful number, since it uses less digits than its factorization.

34920447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115353.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 34920447 is about 5909.3525026013. The cubic root of 34920447 is about 326.8586114522.

The spelling of 34920447 in words is "thirty-four million, nine hundred twenty thousand, four hundred forty-seven".