78610742 has 16 divisors (see below), whose sum is σ = 135793152. Its totient is φ = 33432360.

The previous prime is 78610739. The next prime is 78610759. The reversal of 78610742 is 24701687.

It is a happy number.

78610742 is a modest number, since divided by 10742 gives 786 as remainder.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19598 + ... + 23265.

It is an arithmetic number, because the mean of its divisors is an integer number (8487072).

Almost surely, 2^78610742 is an apocalyptic number.

78610742 is a deficient number, since it is larger than the sum of its proper divisors (57182410).

78610742 is a wasteful number, since it uses less digits than its factorization.

78610742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43003.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 78610742 is about 8866.2699034036. The cubic root of 78610742 is about 428.3781377361.

The spelling of 78610742 in words is "seventy-eight million, six hundred ten thousand, seven hundred forty-two".