34666380 has 144 divisors (see below), whose sum is σ = 124750080. Its totient is φ = 7915968.

The previous prime is 34666369. The next prime is 34666381. The reversal of 34666380 is 8366643.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34666381) 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, 33511 + ... + 34529.

It is an arithmetic number, because the mean of its divisors is an integer number (866320).

Almost surely, 2^34666380 is an apocalyptic number.

34666380 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 34666380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62375040).

34666380 is an abundant number, since it is smaller than the sum of its proper divisors (90083700).

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

34666380 is a wasteful number, since it uses less digits than its factorization.

34666380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 34666380 is about 5887.8162335453. The cubic root of 34666380 is about 326.0639843295.

The spelling of 34666380 in words is "thirty-four million, six hundred sixty-six thousand, three hundred eighty".