70042102 has 8 divisors (see below), whose sum is σ = 113144976. Its totient is φ = 32327112.

The previous prime is 70042087. The next prime is 70042109. The reversal of 70042102 is 20124007.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70042109) 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 3 ways as a sum of consecutive naturals, for example, 1346938 + ... + 1346989.

It is an arithmetic number, because the mean of its divisors is an integer number (14143122).

Almost surely, 2^70042102 is an apocalyptic number.

70042102 is a deficient number, since it is larger than the sum of its proper divisors (43102874).

70042102 is a wasteful number, since it uses less digits than its factorization.

70042102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693942.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 70042102 is about 8369.1159628721. The cubic root of 70042102 is about 412.2111393038.

Adding to 70042102 its reverse (20124007), we get a palindrome (90166109).

The spelling of 70042102 in words is "seventy million, forty-two thousand, one hundred two".