34742620 has 48 divisors (see below), whose sum is σ = 80640000. Its totient is φ = 12467520.

The previous prime is 34742597. The next prime is 34742623. The reversal of 34742620 is 2624743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34742623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16381 + ... + 18379.

It is an arithmetic number, because the mean of its divisors is an integer number (1680000).

Almost surely, 2^34742620 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 34742620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40320000).

34742620 is an abundant number, since it is smaller than the sum of its proper divisors (45897380).

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

34742620 is a wasteful number, since it uses less digits than its factorization.

34742620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 34742620 is about 5894.2870646076. The cubic root of 34742620 is about 326.3028412720.

The spelling of 34742620 in words is "thirty-four million, seven hundred forty-two thousand, six hundred twenty".