78374 has 8 divisors (see below), whose sum is σ = 118800. Its totient is φ = 38776.

The previous prime is 78367. The next prime is 78401. The reversal of 78374 is 47387.

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

It is a super-2 number, since 2×78374² = 12284967752, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167 + ... + 429.

It is an arithmetic number, because the mean of its divisors is an integer number (14850).

2⁷⁸³⁷⁴ is an apocalyptic number.

78374 is a deficient number, since it is larger than the sum of its proper divisors (40426).

78374 is a wasteful number, since it uses less digits than its factorization.

78374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its digits is 4704, while the sum is 29.

The square root of 78374 is about 279.9535675786. The cubic root of 78374 is about 42.7947674623.

The spelling of 78374 in words is "seventy-eight thousand, three hundred seventy-four".