34664140 has 24 divisors (see below), whose sum is σ = 83194272. Its totient is φ = 11884800.

The previous prime is 34664129. The next prime is 34664141. The reversal of 34664140 is 4146643.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 34664099 and 34664108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34664141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123661 + ... + 123940.

It is an arithmetic number, because the mean of its divisors is an integer number (3466428).

Almost surely, 2^34664140 is an apocalyptic number.

It is an amenable number.

34664140 is an abundant number, since it is smaller than the sum of its proper divisors (48530132).

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

34664140 is a wasteful number, since it uses less digits than its factorization.

34664140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247617 (or 247615 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 34664140 is about 5887.6260071441. The cubic root of 34664140 is about 326.0569612036.

The spelling of 34664140 in words is "thirty-four million, six hundred sixty-four thousand, one hundred forty".