78031042 has 8 divisors (see below), whose sum is σ = 122135616. Its totient is φ = 37319172.

The previous prime is 78031033. The next prime is 78031073. The reversal of 78031042 is 24013087.

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

It is a junction number, because it is equal to n+sod(n) for n = 78030998 and 78031016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848118 + ... + 848209.

It is an arithmetic number, because the mean of its divisors is an integer number (15266952).

Almost surely, 2^78031042 is an apocalyptic number.

78031042 is a deficient number, since it is larger than the sum of its proper divisors (44104574).

78031042 is a wasteful number, since it uses less digits than its factorization.

78031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696352.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 78031042 is about 8833.5180986966. The cubic root of 78031042 is about 427.3225409390.

The spelling of 78031042 in words is "seventy-eight million, thirty-one thousand, forty-two".