34885720 has 16 divisors (see below), whose sum is σ = 78492960. Its totient is φ = 13954272.

The previous prime is 34885679. The next prime is 34885769. The reversal of 34885720 is 2758843.

It is a self number, because there is not a number n which added to its sum of digits gives 34885720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436032 + ... + 436111.

It is an arithmetic number, because the mean of its divisors is an integer number (4905810).

Almost surely, 2^34885720 is an apocalyptic number.

It is an amenable number.

34885720 is an abundant number, since it is smaller than the sum of its proper divisors (43607240).

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

34885720 is a wasteful number, since it uses less digits than its factorization.

34885720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872154 (or 872150 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 34885720 is about 5906.4134633464. The cubic root of 34885720 is about 326.7502262061.

It can be divided in two parts, 348 and 85720, that added together give a palindrome (86068).

The spelling of 34885720 in words is "thirty-four million, eight hundred eighty-five thousand, seven hundred twenty".