70970140 has 24 divisors (see below), whose sum is σ = 150216192. Its totient is φ = 28163520.

The previous prime is 70970131. The next prime is 70970173. The reversal of 70970140 is 4107907.

It is a junction number, because it is equal to n+sod(n) for n = 70970099 and 70970108.

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, 11431 + ... + 16510.

It is an arithmetic number, because the mean of its divisors is an integer number (6259008).

Almost surely, 2^70970140 is an apocalyptic number.

It is an amenable number.

70970140 is an abundant number, since it is smaller than the sum of its proper divisors (79246052).

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

70970140 is a wasteful number, since it uses less digits than its factorization.

70970140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28077 (or 28075 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 70970140 is about 8424.3777218261. The cubic root of 70970140 is about 414.0237175923.

The spelling of 70970140 in words is "seventy million, nine hundred seventy thousand, one hundred forty".