70840148 has 6 divisors (see below), whose sum is σ = 123970266. Its totient is φ = 35420072.

The previous prime is 70840141. The next prime is 70840157. The reversal of 70840148 is 84104807.

It can be written as a sum of positive squares in only one way, i.e., 69522244 + 1317904 = 8338^2 + 1148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70840141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8855015 + ... + 8855022.

It is an arithmetic number, because the mean of its divisors is an integer number (20661711).

Almost surely, 2^70840148 is an apocalyptic number.

It is an amenable number.

70840148 is a deficient number, since it is larger than the sum of its proper divisors (53130118).

70840148 is a wasteful number, since it uses less digits than its factorization.

70840148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17710041 (or 17710039 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 70840148 is about 8416.6589570922. The cubic root of 70840148 is about 413.7707818077.

The spelling of 70840148 in words is "seventy million, eight hundred forty thousand, one hundred forty-eight".