34678493 has 4 divisors (see below), whose sum is σ = 34951680. Its totient is φ = 34405308.

The previous prime is 34678481. The next prime is 34678499. The reversal of 34678493 is 39487643.

It is a happy number.

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 34678493 - 2¹⁰ = 34677469 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 (34678499) 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, 136403 + ... + 136656.

It is an arithmetic number, because the mean of its divisors is an integer number (8737920).

Almost surely, 2^34678493 is an apocalyptic number.

It is an amenable number.

34678493 is a deficient number, since it is larger than the sum of its proper divisors (273187).

34678493 is a wasteful number, since it uses less digits than its factorization.

34678493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273186.

The product of its digits is 435456, while the sum is 44.

The square root of 34678493 is about 5888.8447933360. The cubic root of 34678493 is about 326.1019572696.

The spelling of 34678493 in words is "thirty-four million, six hundred seventy-eight thousand, four hundred ninety-three".