754000945 has 4 divisors (see below), whose sum is σ = 904801140. Its totient is φ = 603200752.

The previous prime is 754000937. The next prime is 754000963. The reversal of 754000945 is 549000457.

754000945 = 19416² + 19417².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549000457 = 487 ⋅1127311.

It can be written as a sum of positive squares in 2 ways, for example, as 377019889 + 376981056 = 19417^2 + 19416^2 .

It is a cyclic number.

It is not a de Polignac number, because 754000945 - 2³ = 754000937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 754000945.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 75400090 + ... + 75400099.

It is an arithmetic number, because the mean of its divisors is an integer number (226200285).

Almost surely, 2^754000945 is an apocalyptic number.

754000945 is the 19417-th centered square number.

It is an amenable number.

754000945 is a deficient number, since it is larger than the sum of its proper divisors (150800195).

754000945 is a wasteful number, since it uses less digits than its factorization.

754000945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150800194.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 754000945 is about 27459.0776429217. The cubic root of 754000945 is about 910.1730319440.

The spelling of 754000945 in words is "seven hundred fifty-four million, nine hundred forty-five", and thus it is an aban number.