34674021 has 8 divisors (see below), whose sum is σ = 51368960. Its totient is φ = 23115996.

The previous prime is 34674019. The next prime is 34674037. The reversal of 34674021 is 12047643.

It is not a de Polignac number, because 34674021 - 2¹ = 34674019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1284223 = 34674021 / (3 + 4 + 6 + 7 + 4 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34674011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642085 + ... + 642138.

It is an arithmetic number, because the mean of its divisors is an integer number (6421120).

Almost surely, 2^34674021 is an apocalyptic number.

It is an amenable number.

34674021 is a deficient number, since it is larger than the sum of its proper divisors (16694939).

34674021 is a wasteful number, since it uses less digits than its factorization.

34674021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284232 (or 1284226 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 34674021 is about 5888.4650801376. The cubic root of 34674021 is about 326.0879390649.

The spelling of 34674021 in words is "thirty-four million, six hundred seventy-four thousand, twenty-one".