634358473 has 4 divisors (see below), whose sum is σ = 724981120. Its totient is φ = 543735828.

The previous prime is 634358467. The next prime is 634358503. The reversal of 634358473 is 374853436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 634358473 - 2²¹ = 632261321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634358173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45311313 + ... + 45311326.

It is an arithmetic number, because the mean of its divisors is an integer number (181245280).

Almost surely, 2^634358473 is an apocalyptic number.

It is an amenable number.

634358473 is a deficient number, since it is larger than the sum of its proper divisors (90622647).

634358473 is an equidigital number, since it uses as much as digits as its factorization.

634358473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90622646.

The product of its digits is 725760, while the sum is 43.

The square root of 634358473 is about 25186.4740088802. The cubic root of 634358473 is about 859.2342530280.

The spelling of 634358473 in words is "six hundred thirty-four million, three hundred fifty-eight thousand, four hundred seventy-three".