78033334 has 4 divisors (see below), whose sum is σ = 117050004. Its totient is φ = 39016666.

The previous prime is 78033313. The next prime is 78033377. The reversal of 78033334 is 43333087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43333087 = 7 ⋅6190441.

It is a junction number, because it is equal to n+sod(n) for n = 78033296 and 78033305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19508332 + ... + 19508335.

It is an arithmetic number, because the mean of its divisors is an integer number (29262501).

Almost surely, 2^78033334 is an apocalyptic number.

78033334 is a deficient number, since it is larger than the sum of its proper divisors (39016670).

78033334 is a wasteful number, since it uses less digits than its factorization.

78033334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39016669.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 78033334 is about 8833.6478308794. The cubic root of 78033334 is about 427.3267248025.

The spelling of 78033334 in words is "seventy-eight million, thirty-three thousand, three hundred thirty-four".