45070771 has 4 divisors (see below), whose sum is σ = 45084312. Its totient is φ = 45057232.

The previous prime is 45070763. The next prime is 45070783. The reversal of 45070771 is 17707054.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45070771 - 2³ = 45070763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45070721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076 + ... + 9718.

It is an arithmetic number, because the mean of its divisors is an integer number (11271078).

Almost surely, 2^45070771 is an apocalyptic number.

45070771 is a deficient number, since it is larger than the sum of its proper divisors (13541).

45070771 is an equidigital number, since it uses as much as digits as its factorization.

45070771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 45070771 is about 6713.4768190558. The cubic root of 45070771 is about 355.8756956709.

The spelling of 45070771 in words is "forty-five million, seventy thousand, seven hundred seventy-one".