78329042 has 8 divisors (see below), whose sum is σ = 128174832. Its totient is φ = 35604100.

The previous prime is 78329011. The next prime is 78329051. The reversal of 78329042 is 24092387.

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

It is a super-2 number, since 2×78329042² = 12270877641275528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78328993 and 78329011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780184 + ... + 1780227.

It is an arithmetic number, because the mean of its divisors is an integer number (16021854).

Almost surely, 2^78329042 is an apocalyptic number.

78329042 is a deficient number, since it is larger than the sum of its proper divisors (49845790).

78329042 is a wasteful number, since it uses less digits than its factorization.

78329042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560424.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 78329042 is about 8850.3695968022. The cubic root of 78329042 is about 427.8658305102.

The spelling of 78329042 in words is "seventy-eight million, three hundred twenty-nine thousand, forty-two".