1075678749 has 48 divisors (see below), whose sum is σ = 1666204800. Its totient is φ = 666776448.

The previous prime is 1075678741. The next prime is 1075678781. The reversal of 1075678749 is 9478765701.

1075678749 is a `hidden beast` number, since 1 + 0 + 7 + 567 + 8 + 74 + 9 = 666.

It is not a de Polignac number, because 1075678749 - 2³ = 1075678741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1075678695 and 1075678704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075678741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2765047 + ... + 2765435.

It is an arithmetic number, because the mean of its divisors is an integer number (34712600).

Almost surely, 2^1075678749 is an apocalyptic number.

1075678749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1075678749 is a deficient number, since it is larger than the sum of its proper divisors (590526051).

1075678749 is a wasteful number, since it uses less digits than its factorization.

1075678749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The square root of 1075678749 is about 32797.5418133738. The cubic root of 1075678749 is about 1024.6153620057.

The spelling of 1075678749 in words is "one billion, seventy-five million, six hundred seventy-eight thousand, seven hundred forty-nine".