179920042 has 8 divisors (see below), whose sum is σ = 275622336. Its totient is φ = 88045932.

The previous prime is 179920021. The next prime is 179920043. The reversal of 179920042 is 240029971.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (179920043) 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, 956928 + ... + 957115.

It is an arithmetic number, because the mean of its divisors is an integer number (34452792).

Almost surely, 2^179920042 is an apocalyptic number.

179920042 is a deficient number, since it is larger than the sum of its proper divisors (95702294).

179920042 is a wasteful number, since it uses less digits than its factorization.

179920042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914092.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 179920042 is about 13413.4276752812. The cubic root of 179920042 is about 564.5380012143.

The spelling of 179920042 in words is "one hundred seventy-nine million, nine hundred twenty thousand, forty-two".