78046 has 4 divisors (see below), whose sum is σ = 117072. Its totient is φ = 39022.

The previous prime is 78041. The next prime is 78049. The reversal of 78046 is 64087.

78046 = T₁₀₈ + T₁₀₉ + ... + T₁₁₉.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64087 = 19 ⋅3373.

It is a self number, because there is not a number n which added to its sum of digits gives 78046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19510 + ... + 19513.

It is an arithmetic number, because the mean of its divisors is an integer number (29268).

2⁷⁸⁰⁴⁶ is an apocalyptic number.

78046 is a deficient number, since it is larger than the sum of its proper divisors (39026).

78046 is a wasteful number, since it uses less digits than its factorization.

78046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39025.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 78046 is about 279.3671419477. The cubic root of 78046 is about 42.7349844099.

The spelling of 78046 in words is "seventy-eight thousand, forty-six".