34720458 has 16 divisors (see below), whose sum is σ = 69949440. Its totient is φ = 11488736.

The previous prime is 34720457. The next prime is 34720513. The reversal of 34720458 is 85402743.

It is not an unprimeable number, because it can be changed into a prime (34720457) 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, 20298 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (4371840).

Almost surely, 2^34720458 is an apocalyptic number.

34720458 is an abundant number, since it is smaller than the sum of its proper divisors (35228982).

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

34720458 is a wasteful number, since it uses less digits than its factorization.

34720458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42381.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 34720458 is about 5892.4068087667. The cubic root of 34720458 is about 326.2334446466.

The spelling of 34720458 in words is "thirty-four million, seven hundred twenty thousand, four hundred fifty-eight".