234137772 has 72 divisors (see below), whose sum is σ = 648058320. Its totient is φ = 70686720.

The previous prime is 234137737. The next prime is 234137789. The reversal of 234137772 is 277731432.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 123004 + ... + 124892.

It is an arithmetic number, because the mean of its divisors is an integer number (9000810).

Almost surely, 2^234137772 is an apocalyptic number.

234137772 is a gapful number since it is divisible by the number (22) 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 234137772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324029160).

234137772 is an abundant number, since it is smaller than the sum of its proper divisors (413920548).

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

234137772 is a wasteful number, since it uses less digits than its factorization.

234137772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2218 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 234137772 is about 15301.5610968293. The cubic root of 234137772 is about 616.3449289609.

The spelling of 234137772 in words is "two hundred thirty-four million, one hundred thirty-seven thousand, seven hundred seventy-two".