172616942 has 8 divisors (see below), whose sum is σ = 259454232. Its totient is φ = 86132200.

The previous prime is 172616933. The next prime is 172616981. The reversal of 172616942 is 249616271.

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

It is a junction number, because it is equal to n+sod(n) for n = 172616896 and 172616905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86909 + ... + 88872.

It is an arithmetic number, because the mean of its divisors is an integer number (32431779).

Almost surely, 2^172616942 is an apocalyptic number.

172616942 is a deficient number, since it is larger than the sum of its proper divisors (86837290).

172616942 is a wasteful number, since it uses less digits than its factorization.

172616942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176274.

The product of its digits is 36288, while the sum is 38.

The square root of 172616942 is about 13138.3766881605. The cubic root of 172616942 is about 556.7939053610.

The spelling of 172616942 in words is "one hundred seventy-two million, six hundred sixteen thousand, nine hundred forty-two".