34674840 has 96 divisors (see below), whose sum is σ = 114613200. Its totient is φ = 9089280.

The previous prime is 34674821. The next prime is 34674851. The reversal of 34674840 is 4847643.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 34674795 and 34674804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21171 + ... + 22749.

Almost surely, 2^34674840 is an apocalyptic number.

34674840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34674840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57306600).

34674840 is an abundant number, since it is smaller than the sum of its proper divisors (79938360).

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

34674840 is a wasteful number, since it uses less digits than its factorization.

34674840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 34674840 is about 5888.5346224676. The cubic root of 34674840 is about 326.0905064425.

The spelling of 34674840 in words is "thirty-four million, six hundred seventy-four thousand, eight hundred forty".