34740421 has 4 divisors (see below), whose sum is σ = 34800192. Its totient is φ = 34680652.

The previous prime is 34740403. The next prime is 34740443. The reversal of 34740421 is 12404743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34740421 - 2⁵ = 34740389 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 (34740221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29005 + ... + 30178.

It is an arithmetic number, because the mean of its divisors is an integer number (8700048).

Almost surely, 2^34740421 is an apocalyptic number.

It is an amenable number.

34740421 is a deficient number, since it is larger than the sum of its proper divisors (59771).

34740421 is an equidigital number, since it uses as much as digits as its factorization.

34740421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59770.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 34740421 is about 5894.1005251013. The cubic root of 34740421 is about 326.2959567875.

The spelling of 34740421 in words is "thirty-four million, seven hundred forty thousand, four hundred twenty-one".