70845042 has 16 divisors (see below), whose sum is σ = 142064640. Its totient is φ = 23552592.

The previous prime is 70845041. The next prime is 70845077. The reversal of 70845042 is 24054807.

It is not an unprimeable number, because it can be changed into a prime (70845041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13117 + ... + 17712.

It is an arithmetic number, because the mean of its divisors is an integer number (8879040).

Almost surely, 2^70845042 is an apocalyptic number.

70845042 is an abundant number, since it is smaller than the sum of its proper divisors (71219598).

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

70845042 is a wasteful number, since it uses less digits than its factorization.

70845042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31217.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 70845042 is about 8416.9496850106. The cubic root of 70845042 is about 413.7803100561.

Adding to 70845042 its reverse (24054807), we get a palindrome (94899849).

The spelling of 70845042 in words is "seventy million, eight hundred forty-five thousand, forty-two".