84445474 has 4 divisors (see below), whose sum is σ = 126668214. Its totient is φ = 42222736.

The previous prime is 84445469. The next prime is 84445499. The reversal of 84445474 is 47454448.

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

It can be written as a sum of positive squares in only one way, i.e., 66015625 + 18429849 = 8125^2 + 4293^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21111367 + ... + 21111370.

Almost surely, 2^84445474 is an apocalyptic number.

84445474 is a deficient number, since it is larger than the sum of its proper divisors (42222740).

84445474 is a wasteful number, since it uses less digits than its factorization.

84445474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42222739.

The product of its digits is 286720, while the sum is 40.

The square root of 84445474 is about 9189.4218534138. The cubic root of 84445474 is about 438.7247406610.

The spelling of 84445474 in words is "eighty-four million, four hundred forty-five thousand, four hundred seventy-four".