78033814 has 16 divisors (see below), whose sum is σ = 120865536. Its totient is φ = 37756800.

The previous prime is 78033803. The next prime is 78033829. The reversal of 78033814 is 41833087.

It is a super-2 number, since 2×78033814² = 12178552254773192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78033814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11374 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (7554096).

Almost surely, 2^78033814 is an apocalyptic number.

78033814 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

78033814 is a deficient number, since it is larger than the sum of its proper divisors (42831722).

78033814 is a wasteful number, since it uses less digits than its factorization.

78033814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 78033814 is about 8833.6749996816. The cubic root of 78033814 is about 427.3276009939.

The spelling of 78033814 in words is "seventy-eight million, thirty-three thousand, eight hundred fourteen".