78033682 has 4 divisors (see below), whose sum is σ = 117050526. Its totient is φ = 39016840.

The previous prime is 78033679. The next prime is 78033719. The reversal of 78033682 is 28633087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28633087 = 7 ⋅4090441.

It can be written as a sum of positive squares in only one way, i.e., 77457601 + 576081 = 8801^2 + 759^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19508419 + ... + 19508422.

Almost surely, 2^78033682 is an apocalyptic number.

78033682 is a deficient number, since it is larger than the sum of its proper divisors (39016844).

78033682 is a wasteful number, since it uses less digits than its factorization.

78033682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39016843.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 78033682 is about 8833.6675282693. The cubic root of 78033682 is about 427.3273600416.

The spelling of 78033682 in words is "seventy-eight million, thirty-three thousand, six hundred eighty-two".