1072356828 has 24 divisors (see below), whose sum is σ = 2505714960. Its totient is φ = 356945280.

The previous prime is 1072356773. The next prime is 1072356871. The reversal of 1072356828 is 8286532701.

It is a super-2 number, since 2×1072356828² = 2299898333116443168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072356828.

It is a congruent number.

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, 54513 + ... + 71528.

It is an arithmetic number, because the mean of its divisors is an integer number (104404790).

Almost surely, 2^1072356828 is an apocalyptic number.

It is an amenable number.

1072356828 is an abundant number, since it is smaller than the sum of its proper divisors (1433358132).

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

1072356828 is a wasteful number, since it uses less digits than its factorization.

1072356828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126757 (or 126755 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1072356828 is about 32746.8598189200. The cubic root of 1072356828 is about 1023.5595321913.

The spelling of 1072356828 in words is "one billion, seventy-two million, three hundred fifty-six thousand, eight hundred twenty-eight".