78035142 has 16 divisors (see below), whose sum is σ = 157680432. Its totient is φ = 25743360.

The previous prime is 78035137. The next prime is 78035149. The reversal of 78035142 is 24153087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78035149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66459 + ... + 67622.

It is an arithmetic number, because the mean of its divisors is an integer number (9855027).

Almost surely, 2^78035142 is an apocalyptic number.

78035142 is an abundant number, since it is smaller than the sum of its proper divisors (79645290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78035142 is a wasteful number, since it uses less digits than its factorization.

78035142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134183.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 78035142 is about 8833.7501662657. The cubic root of 78035142 is about 427.3300251047.

The spelling of 78035142 in words is "seventy-eight million, thirty-five thousand, one hundred forty-two".