34743020 has 72 divisors (see below), whose sum is σ = 83316240. Its totient is φ = 12130560.

The previous prime is 34743017. The next prime is 34743029. The reversal of 34743020 is 2034743.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34743029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63950 + ... + 64490.

It is an arithmetic number, because the mean of its divisors is an integer number (1157170).

Almost surely, 2^34743020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34743020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41658120).

34743020 is an abundant number, since it is smaller than the sum of its proper divisors (48573220).

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

34743020 is a wasteful number, since it uses less digits than its factorization.

34743020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 34743020 is about 5894.3209956703. The cubic root of 34743020 is about 326.3040935345.

Adding to 34743020 its reverse (2034743), we get a palindrome (36777763).

The spelling of 34743020 in words is "thirty-four million, seven hundred forty-three thousand, twenty".