34747380 has 120 divisors (see below), whose sum is σ = 110685960. Its totient is φ = 9123840.

The previous prime is 34747379. The next prime is 34747393. The reversal of 34747380 is 8374743.

It can be written as a sum of positive squares in 4 ways, for example, as 2802276 + 31945104 = 1674^2 + 5652^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 144060 + ... + 144300.

It is an arithmetic number, because the mean of its divisors is an integer number (922383).

Almost surely, 2^34747380 is an apocalyptic number.

34747380 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 34747380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55342980).

34747380 is an abundant number, since it is smaller than the sum of its proper divisors (75938580).

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

34747380 is a wasteful number, since it uses less digits than its factorization.

34747380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 34747380 is about 5894.6908315874. The cubic root of 34747380 is about 326.3177425719.

The spelling of 34747380 in words is "thirty-four million, seven hundred forty-seven thousand, three hundred eighty".