1074389645 has 16 divisors (see below), whose sum is σ = 1497606528. Its totient is φ = 724645440.

The previous prime is 1074389633. The next prime is 1074389653. The reversal of 1074389645 is 5469834701.

It is not a de Polignac number, because 1074389645 - 2⁴ = 1074389629 is a prime.

It is a super-3 number, since 3×1074389645³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1074389645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249479 + ... + 253748.

It is an arithmetic number, because the mean of its divisors is an integer number (93600408).

Almost surely, 2^1074389645 is an apocalyptic number.

It is an amenable number.

1074389645 is a deficient number, since it is larger than the sum of its proper divisors (423216883).

1074389645 is an equidigital number, since it uses as much as digits as its factorization.

1074389645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503300.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 1074389645 is about 32777.8834734642. The cubic root of 1074389645 is about 1024.2058953477.

The spelling of 1074389645 in words is "one billion, seventy-four million, three hundred eighty-nine thousand, six hundred forty-five".