234626721 has 8 divisors (see below), whose sum is σ = 357526464. Its totient is φ = 134072400.

The previous prime is 234626719. The next prime is 234626729. The reversal of 234626721 is 127626432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234626721 - 2¹ = 234626719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234626729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5586330 + ... + 5586371.

It is an arithmetic number, because the mean of its divisors is an integer number (44690808).

Almost surely, 2^234626721 is an apocalyptic number.

234626721 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

234626721 is a deficient number, since it is larger than the sum of its proper divisors (122899743).

234626721 is a wasteful number, since it uses less digits than its factorization.

234626721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172711.

The product of its digits is 24192, while the sum is 33.

The square root of 234626721 is about 15317.5298596086. The cubic root of 234626721 is about 616.7736675620.

The spelling of 234626721 in words is "two hundred thirty-four million, six hundred twenty-six thousand, seven hundred twenty-one".