451522074 has 32 divisors (see below), whose sum is σ = 957769920. Its totient is φ = 141416192.

The previous prime is 451522073. The next prime is 451522081. The reversal of 451522074 is 470225154.

It is a super-2 number, since 2×451522074² = 407744366618522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451522073) 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, 63217 + ... + 69995.

It is an arithmetic number, because the mean of its divisors is an integer number (29930310).

Almost surely, 2^451522074 is an apocalyptic number.

451522074 is an abundant number, since it is smaller than the sum of its proper divisors (506247846).

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

451522074 is a wasteful number, since it uses less digits than its factorization.

451522074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 451522074 is about 21249.0487787101. The cubic root of 451522074 is about 767.1724450451.

The spelling of 451522074 in words is "four hundred fifty-one million, five hundred twenty-two thousand, seventy-four".