445621674 has 32 divisors (see below), whose sum is σ = 897661440. Its totient is φ = 147475952.

The previous prime is 445621669. The next prime is 445621679. The reversal of 445621674 is 476126544.

It is an interprime number because it is at equal distance from previous prime (445621669) and next prime (445621679).

It is not an unprimeable number, because it can be changed into a prime (445621679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953989 + ... + 954455.

It is an arithmetic number, because the mean of its divisors is an integer number (28051920).

Almost surely, 2^445621674 is an apocalyptic number.

445621674 is an abundant number, since it is smaller than the sum of its proper divisors (452039766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445621674 is a wasteful number, since it uses less digits than its factorization.

445621674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its digits is 161280, while the sum is 39.

The square root of 445621674 is about 21109.7530539796. The cubic root of 445621674 is about 763.8160300531.

The spelling of 445621674 in words is "four hundred forty-five million, six hundred twenty-one thousand, six hundred seventy-four".