34487700 has 144 divisors (see below), whose sum is σ = 110826240. Its totient is φ = 8225280.

The previous prime is 34487693. The next prime is 34487701. The reversal of 34487700 is 778443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34487701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144181 + ... + 144419.

Almost surely, 2^34487700 is an apocalyptic number.

34487700 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 34487700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55413120).

34487700 is an abundant number, since it is smaller than the sum of its proper divisors (76338540).

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

34487700 is a wasteful number, since it uses less digits than its factorization.

34487700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 34487700 is about 5872.6229233623. The cubic root of 34487700 is about 325.5028114368.

The spelling of 34487700 in words is "thirty-four million, four hundred eighty-seven thousand, seven hundred".