34875720 has 96 divisors (see below), whose sum is σ = 123664320. Its totient is φ = 8453760.

The previous prime is 34875691. The next prime is 34875733. The reversal of 34875720 is 2757843.

34875720 is a `hidden beast` number, since 3 + 4 + 87 + 572 + 0 = 666.

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

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, 444 + ... + 8363.

It is an arithmetic number, because the mean of its divisors is an integer number (1288170).

Almost surely, 2^34875720 is an apocalyptic number.

34875720 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 34875720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61832160).

34875720 is an abundant number, since it is smaller than the sum of its proper divisors (88788600).

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

34875720 is a wasteful number, since it uses less digits than its factorization.

34875720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835 (or 8828 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 34875720 is about 5905.5668652552. The cubic root of 34875720 is about 326.7190022123.

The spelling of 34875720 in words is "thirty-four million, eight hundred seventy-five thousand, seven hundred twenty".