1072897749 has 48 divisors (see below), whose sum is σ = 1951033344. Its totient is φ = 551901600.

The previous prime is 1072897741. The next prime is 1072897751. The reversal of 1072897749 is 9477982701.

It is not a de Polignac number, because 1072897749 - 2³ = 1072897741 is a prime.

It is a super-2 number, since 2×1072897749² = 2302219159618534002, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1072897695 and 1072897704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072897741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63864 + ... + 78894.

It is an arithmetic number, because the mean of its divisors is an integer number (40646528).

Almost surely, 2^1072897749 is an apocalyptic number.

It is an amenable number.

1072897749 is a deficient number, since it is larger than the sum of its proper divisors (878135595).

1072897749 is a wasteful number, since it uses less digits than its factorization.

1072897749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158 (or 15155 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The square root of 1072897749 is about 32755.1179054511. The cubic root of 1072897749 is about 1023.7316054426.

The spelling of 1072897749 in words is "one billion, seventy-two million, eight hundred ninety-seven thousand, seven hundred forty-nine".