45720677 has 2 divisors, whose sum is σ = 45720678. Its totient is φ = 45720676.

The previous prime is 45720673. The next prime is 45720679. The reversal of 45720677 is 77602754.

45720677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44702596 + 1018081 = 6686^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 45720677 - 2² = 45720673 is a prime.

Together with 45720679, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45720677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45720671) 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 as a sum of consecutive naturals, namely, 22860338 + 22860339.

It is an arithmetic number, because the mean of its divisors is an integer number (22860339).

Almost surely, 2^45720677 is an apocalyptic number.

It is an amenable number.

45720677 is a deficient number, since it is larger than the sum of its proper divisors (1).

45720677 is an equidigital number, since it uses as much as digits as its factorization.

45720677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 45720677 is about 6761.7066632619. The cubic root of 45720677 is about 357.5780767414.

The spelling of 45720677 in words is "forty-five million, seven hundred twenty thousand, six hundred seventy-seven".