1072897700 has 72 divisors (see below), whose sum is σ = 2800862400. Its totient is φ = 348485760.

The previous prime is 1072897673. The next prime is 1072897723. The reversal of 1072897700 is 77982701.

It is a super-2 number, since 2×1072897700² = 2302218949330580000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 27035 + ... + 53634.

Almost surely, 2^1072897700 is an apocalyptic number.

1072897700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072897700 is an abundant number, since it is smaller than the sum of its proper divisors (1727964700).

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

1072897700 is a wasteful number, since it uses less digits than its factorization.

1072897700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80709 (or 80702 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 1072897700 is about 32755.1171574763. The cubic root of 1072897700 is about 1023.7315898578.

The spelling of 1072897700 in words is "one billion, seventy-two million, eight hundred ninety-seven thousand, seven hundred".