450621874 has 4 divisors (see below), whose sum is σ = 675932814. Its totient is φ = 225310936.

The previous prime is 450621869. The next prime is 450621883. The reversal of 450621874 is 478126054.

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., 413837649 + 36784225 = 20343^2 + 6065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112655467 + ... + 112655470.

Almost surely, 2^450621874 is an apocalyptic number.

450621874 is a deficient number, since it is larger than the sum of its proper divisors (225310940).

450621874 is a wasteful number, since it uses less digits than its factorization.

450621874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225310939.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 450621874 is about 21227.8560858133. The cubic root of 450621874 is about 766.6622683638.

The spelling of 450621874 in words is "four hundred fifty million, six hundred twenty-one thousand, eight hundred seventy-four".