1072638075 has 24 divisors (see below), whose sum is σ = 1786390128. Its totient is φ = 567892480.

The previous prime is 1072638031. The next prime is 1072638107. The reversal of 1072638075 is 5708362701.

It is not a de Polignac number, because 1072638075 - 2⁷ = 1072637947 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 41922 + ... + 62471.

It is an arithmetic number, because the mean of its divisors is an integer number (74432922).

Almost surely, 2^1072638075 is an apocalyptic number.

1072638075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1072638075 is a deficient number, since it is larger than the sum of its proper divisors (713752053).

1072638075 is a wasteful number, since it uses less digits than its factorization.

1072638075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104543 (or 104538 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1072638075 is about 32751.1537964695. The cubic root of 1072638075 is about 1023.6490073476.

The spelling of 1072638075 in words is "one billion, seventy-two million, six hundred thirty-eight thousand, seventy-five".