238743072 has 48 divisors (see below), whose sum is σ = 696336480. Its totient is φ = 79580736.

The previous prime is 238743049. The next prime is 238743083. The reversal of 238743072 is 270347832.

238743072 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137298 + ... + 139025.

It is an arithmetic number, because the mean of its divisors is an integer number (14507010).

Almost surely, 2^238743072 is an apocalyptic number.

It is an amenable number.

238743072 is an abundant number, since it is smaller than the sum of its proper divisors (457593408).

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

238743072 is a wasteful number, since it uses less digits than its factorization.

238743072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276342 (or 276328 counting only the distinct ones).

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

The square root of 238743072 is about 15451.3129539208. The cubic root of 238743072 is about 620.3597218781.

The spelling of 238743072 in words is "two hundred thirty-eight million, seven hundred forty-three thousand, seventy-two".