34921700 has 72 divisors (see below), whose sum is σ = 84369600. Its totient is φ = 12438400.

The previous prime is 34921699. The next prime is 34921721. The reversal of 34921700 is 712943.

It is a self number, because there is not a number n which added to its sum of digits gives 34921700.

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, 58001 + ... + 58599.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^34921700 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 34921700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42184800).

34921700 is an abundant number, since it is smaller than the sum of its proper divisors (49447900).

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

34921700 is a wasteful number, since it uses less digits than its factorization.

34921700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 34921700 is about 5909.4585200338. The cubic root of 34921700 is about 326.8625208041.

The spelling of 34921700 in words is "thirty-four million, nine hundred twenty-one thousand, seven hundred".