70840242 has 24 divisors (see below), whose sum is σ = 167441040. Its totient is φ = 21466680.

The previous prime is 70840229. The next prime is 70840249. The reversal of 70840242 is 24204807.

It is not an unprimeable number, because it can be changed into a prime (70840249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178692 + ... + 179087.

It is an arithmetic number, because the mean of its divisors is an integer number (6976710).

Almost surely, 2^70840242 is an apocalyptic number.

70840242 is an abundant number, since it is smaller than the sum of its proper divisors (96600798).

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

70840242 is a wasteful number, since it uses less digits than its factorization.

70840242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357798 (or 357795 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70840242 is about 8416.6645412539. The cubic root of 70840242 is about 413.7709648228.

The spelling of 70840242 in words is "seventy million, eight hundred forty thousand, two hundred forty-two".