873724534 has 8 divisors (see below), whose sum is σ = 1317449088. Its totient is φ = 434574840.

The previous prime is 873724513. The next prime is 873724561. The reversal of 873724534 is 435427378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×873724534² = 1526789122627034312, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1143237 + ... + 1144000.

It is an arithmetic number, because the mean of its divisors is an integer number (164681136).

Almost surely, 2^873724534 is an apocalyptic number.

873724534 is a deficient number, since it is larger than the sum of its proper divisors (443724554).

873724534 is a wasteful number, since it uses less digits than its factorization.

873724534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287430.

The product of its digits is 564480, while the sum is 43.

The square root of 873724534 is about 29558.8317428142. The cubic root of 873724534 is about 956.0006265934. Note that the first 3 decimals are identical.

The spelling of 873724534 in words is "eight hundred seventy-three million, seven hundred twenty-four thousand, five hundred thirty-four".