70872142 has 16 divisors (see below), whose sum is σ = 116218800. Its totient is φ = 32146240.

The previous prime is 70872121. The next prime is 70872161. The reversal of 70872142 is 24127807.

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, 8034 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (7263675).

Almost surely, 2^70872142 is an apocalyptic number.

70872142 is a deficient number, since it is larger than the sum of its proper divisors (45346658).

70872142 is a wasteful number, since it uses less digits than its factorization.

70872142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 70872142 is about 8418.5593779458. The cubic root of 70872142 is about 413.8330637684.

Adding to 70872142 its reverse (24127807), we get a palindrome (94999949).

It can be divided in two parts, 7087 and 2142, that added together give a palindrome (9229).

The spelling of 70872142 in words is "seventy million, eight hundred seventy-two thousand, one hundred forty-two".