445007707 has 4 divisors (see below), whose sum is σ = 445089760. Its totient is φ = 444925656.

The previous prime is 445007603. The next prime is 445007741. The reversal of 445007707 is 707700544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445007707 - 2²⁷ = 310789979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445007747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32268 + ... + 43945.

It is an arithmetic number, because the mean of its divisors is an integer number (111272440).

Almost surely, 2^445007707 is an apocalyptic number.

445007707 is a deficient number, since it is larger than the sum of its proper divisors (82053).

445007707 is an equidigital number, since it uses as much as digits as its factorization.

445007707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82052.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 445007707 is about 21095.2057823573. The cubic root of 445007707 is about 763.4650796080.

The spelling of 445007707 in words is "four hundred forty-five million, seven thousand, seven hundred seven".