70166340 has 72 divisors (see below), whose sum is σ = 216478080. Its totient is φ = 18391104.

The previous prime is 70166339. The next prime is 70166387. The reversal of 70166340 is 4366107.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7317 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (3006640).

Almost surely, 2^70166340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70166340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108239040).

70166340 is an abundant number, since it is smaller than the sum of its proper divisors (146311740).

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

70166340 is a wasteful number, since it uses less digits than its factorization.

70166340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681 (or 6676 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70166340 is about 8376.5350831952. The cubic root of 70166340 is about 412.4547167922.

The spelling of 70166340 in words is "seventy million, one hundred sixty-six thousand, three hundred forty".