76378 has 4 divisors (see below), whose sum is σ = 114570. Its totient is φ = 38188.

The previous prime is 76369. The next prime is 76379. The reversal of 76378 is 87367.

76378 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74529 + 1849 = 273^2 + 43^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (76379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19093 + ... + 19096.

2⁷⁶³⁷⁸ is an apocalyptic number.

76378 is a deficient number, since it is larger than the sum of its proper divisors (38192).

76378 is a wasteful number, since it uses less digits than its factorization.

76378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38191.

The product of its digits is 7056, while the sum is 31.

The square root of 76378 is about 276.3656997531. The cubic root of 76378 is about 42.4283452330.

It can be divided in two parts, 763 and 78, that added together give a square (841 = 29²).

The spelling of 76378 in words is "seventy-six thousand, three hundred seventy-eight".