70601971 has 4 divisors (see below), whose sum is σ = 77020344. Its totient is φ = 64183600.

The previous prime is 70601963. The next prime is 70601981. The reversal of 70601971 is 17910607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70601971 - 2³ = 70601963 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70601941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209170 + ... + 3209191.

It is an arithmetic number, because the mean of its divisors is an integer number (19255086).

Almost surely, 2^70601971 is an apocalyptic number.

70601971 is a deficient number, since it is larger than the sum of its proper divisors (6418373).

70601971 is a wasteful number, since it uses less digits than its factorization.

70601971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418372.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 70601971 is about 8402.4979024097. The cubic root of 70601971 is about 413.3065378195.

The spelling of 70601971 in words is "seventy million, six hundred one thousand, nine hundred seventy-one".