1072705238 has 8 divisors (see below), whose sum is σ = 1755335880. Its totient is φ = 487593280.

The previous prime is 1072705229. The next prime is 1072705259. The reversal of 1072705238 is 8325072701.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 1072705198 and 1072705207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24379643 + ... + 24379686.

It is an arithmetic number, because the mean of its divisors is an integer number (219416985).

Almost surely, 2^1072705238 is an apocalyptic number.

1072705238 is a deficient number, since it is larger than the sum of its proper divisors (682630642).

1072705238 is a wasteful number, since it uses less digits than its factorization.

1072705238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48759342.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 1072705238 is about 32752.1791336088. The cubic root of 1072705238 is about 1023.6703720884.

Adding to 1072705238 its reverse (8325072701), we get a palindrome (9397777939).

The spelling of 1072705238 in words is "one billion, seventy-two million, seven hundred five thousand, two hundred thirty-eight".