45721759 has 2 divisors, whose sum is σ = 45721760. Its totient is φ = 45721758.

The previous prime is 45721729. The next prime is 45721783. The reversal of 45721759 is 95712754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45721759 - 2⁵ = 45721727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45721729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22860879 + 22860880.

It is an arithmetic number, because the mean of its divisors is an integer number (22860880).

Almost surely, 2^45721759 is an apocalyptic number.

45721759 is a deficient number, since it is larger than the sum of its proper divisors (1).

45721759 is an equidigital number, since it uses as much as digits as its factorization.

45721759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 40.

The square root of 45721759 is about 6761.7866721747. The cubic root of 45721759 is about 357.5808974668.

The spelling of 45721759 in words is "forty-five million, seven hundred twenty-one thousand, seven hundred fifty-nine".