34722240 has 112 divisors (see below), whose sum is σ = 126016512. Its totient is φ = 7934976.

The previous prime is 34722223. The next prime is 34722257. The reversal of 34722240 is 4222743.

It is an interprime number because it is at equal distance from previous prime (34722223) and next prime (34722257).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 34722240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4137 + ... + 9303.

Almost surely, 2^34722240 is an apocalyptic number.

34722240 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 34722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63008256).

34722240 is an abundant number, since it is smaller than the sum of its proper divisors (91294272).

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

34722240 is a wasteful number, since it uses less digits than its factorization.

34722240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5184 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 34722240 is about 5892.5580183822. The cubic root of 34722240 is about 326.2390257755.

Adding to 34722240 its reverse (4222743), we get a palindrome (38944983).

The spelling of 34722240 in words is "thirty-four million, seven hundred twenty-two thousand, two hundred forty".