34720149 has 8 divisors (see below), whose sum is σ = 46658560. Its totient is φ = 22964256.

The previous prime is 34720139. The next prime is 34720159. The reversal of 34720149 is 94102743.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34720139) and next prime (34720159).

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

It is not a de Polignac number, because 34720149 - 2⁵ = 34720117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34720139) 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, 45184 + ... + 45945.

It is an arithmetic number, because the mean of its divisors is an integer number (5832320).

Almost surely, 2^34720149 is an apocalyptic number.

It is an amenable number.

34720149 is a deficient number, since it is larger than the sum of its proper divisors (11938411).

34720149 is a wasteful number, since it uses less digits than its factorization.

34720149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91259.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 34720149 is about 5892.3805885228. The cubic root of 34720149 is about 326.2324768557.

The spelling of 34720149 in words is "thirty-four million, seven hundred twenty thousand, one hundred forty-nine".