70742 has 16 divisors (see below), whose sum is σ = 125952. Its totient is φ = 29160.

The previous prime is 70729. The next prime is 70753. The reversal of 70742 is 24707.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70742.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (7872).

2⁷⁰⁷⁴² is an apocalyptic number.

70742 is a deficient number, since it is larger than the sum of its proper divisors (55210).

70742 is a wasteful number, since it uses less digits than its factorization.

70742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 70742 is about 265.9736829087. The cubic root of 70742 is about 41.3579602345.

The spelling of 70742 in words is "seventy thousand, seven hundred forty-two", and thus it is an iban number.