70712142 has 16 divisors (see below), whose sum is σ = 142273152. Its totient is φ = 23429240.

The previous prime is 70712137. The next prime is 70712153. The reversal of 70712142 is 24121707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34284 + ... + 36287.

It is an arithmetic number, because the mean of its divisors is an integer number (8892072).

Almost surely, 2^70712142 is an apocalyptic number.

70712142 is an abundant number, since it is smaller than the sum of its proper divisors (71561010).

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

70712142 is a wasteful number, since it uses less digits than its factorization.

70712142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70743.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 70712142 is about 8409.0511949922. The cubic root of 70712142 is about 413.5214077903.

Adding to 70712142 its reverse (24121707), we get a palindrome (94833849).

The spelling of 70712142 in words is "seventy million, seven hundred twelve thousand, one hundred forty-two".