1072169844 has 48 divisors (see below), whose sum is σ = 2645454336. Its totient is φ = 337420800.

The previous prime is 1072169801. The next prime is 1072169873. The reversal of 1072169844 is 4489612701.

It is a super-2 number, since 2×1072169844² = 2299096348765968672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1072169796 and 1072169805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19897 + ... + 50400.

It is an arithmetic number, because the mean of its divisors is an integer number (55113632).

Almost surely, 2^1072169844 is an apocalyptic number.

It is an amenable number.

1072169844 is an abundant number, since it is smaller than the sum of its proper divisors (1573284492).

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

1072169844 is a wasteful number, since it uses less digits than its factorization.

1072169844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70376 (or 70374 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1072169844 is about 32744.0047031514. The cubic root of 1072169844 is about 1023.5000369512.

The spelling of 1072169844 in words is "one billion, seventy-two million, one hundred sixty-nine thousand, eight hundred forty-four".