452621730 has 32 divisors (see below), whose sum is σ = 1185046848. Its totient is φ = 109726400.

The previous prime is 452621723. The next prime is 452621759. The reversal of 452621730 is 37126254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685461 + ... + 686120.

It is an arithmetic number, because the mean of its divisors is an integer number (37032714).

Almost surely, 2^452621730 is an apocalyptic number.

452621730 is an abundant number, since it is smaller than the sum of its proper divisors (732425118).

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

452621730 is a wasteful number, since it uses less digits than its factorization.

452621730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371602.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 452621730 is about 21274.9084604376. The cubic root of 452621730 is about 767.7947415606.

Adding to 452621730 its reverse (37126254), we get a palindrome (489747984).

The spelling of 452621730 in words is "four hundred fifty-two million, six hundred twenty-one thousand, seven hundred thirty".