740892545 has 4 divisors (see below), whose sum is σ = 889071060. Its totient is φ = 592714032.

The previous prime is 740892527. The next prime is 740892553. The reversal of 740892545 is 545298047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545298047 = 7 ⋅77899721.

It can be written as a sum of positive squares in 2 ways, for example, as 237653056 + 503239489 = 15416^2 + 22433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740892545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 740892496 and 740892505.

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, 74089250 + ... + 74089259.

It is an arithmetic number, because the mean of its divisors is an integer number (222267765).

Almost surely, 2^740892545 is an apocalyptic number.

It is an amenable number.

740892545 is a deficient number, since it is larger than the sum of its proper divisors (148178515).

740892545 is a wasteful number, since it uses less digits than its factorization.

740892545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148178514.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 740892545 is about 27219.3413770429. The cubic root of 740892545 is about 904.8676769998.

The spelling of 740892545 in words is "seven hundred forty million, eight hundred ninety-two thousand, five hundred forty-five".