172743407454 has 16 divisors (see below), whose sum is σ = 354824296848. Its totient is φ = 56024888832.

The previous prime is 172743407449. The next prime is 172743407461. The reversal of 172743407454 is 454704347271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389061507 + ... + 389061950.

It is an arithmetic number, because the mean of its divisors is an integer number (22176518553).

Almost surely, 2^172743407454 is an apocalyptic number.

172743407454 is an abundant number, since it is smaller than the sum of its proper divisors (182080889394).

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

172743407454 is a wasteful number, since it uses less digits than its factorization.

172743407454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778123499.

The product of its (nonzero) digits is 2634240, while the sum is 48.

The spelling of 172743407454 in words is "one hundred seventy-two billion, seven hundred forty-three million, four hundred seven thousand, four hundred fifty-four".