190078 has 8 divisors (see below), whose sum is σ = 325872. Its totient is φ = 81456.

The previous prime is 190063. The next prime is 190093. The reversal of 190078 is 870091.

It is an interprime number because it is at equal distance from previous prime (190063) and next prime (190093).

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

It is a super-2 number, since 2×190078² = 72259292168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

190078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6775 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (40734).

2¹⁹⁰⁰⁷⁸ is an apocalyptic number.

190078 is a deficient number, since it is larger than the sum of its proper divisors (135794).

190078 is a wasteful number, since it uses less digits than its factorization.

190078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13586.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 190078 is about 435.9793573095. The cubic root of 190078 is about 57.4968366250.

The spelling of 190078 in words is "one hundred ninety thousand, seventy-eight".