34299720 has 256 divisors, whose sum is σ = 141120000. Its totient is φ = 7216128.

The previous prime is 34299691. The next prime is 34299737. The reversal of 34299720 is 2799243.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98106 + ... + 98454.

It is an arithmetic number, because the mean of its divisors is an integer number (551250).

Almost surely, 2^34299720 is an apocalyptic number.

34299720 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 34299720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70560000).

34299720 is an abundant number, since it is smaller than the sum of its proper divisors (106820280).

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

34299720 is a wasteful number, since it uses less digits than its factorization.

34299720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 34299720 is about 5856.5962811176. The cubic root of 34299720 is about 324.9103342383.

The spelling of 34299720 in words is "thirty-four million, two hundred ninety-nine thousand, seven hundred twenty".