71670701 has 4 divisors (see below), whose sum is σ = 71834400. Its totient is φ = 71507004.

The previous prime is 71670689. The next prime is 71670713. The reversal of 71670701 is 10707617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (71670689) and next prime (71670713).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71670701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71670761) 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, 81191 + ... + 82068.

It is an arithmetic number, because the mean of its divisors is an integer number (17958600).

Almost surely, 2^71670701 is an apocalyptic number.

It is an amenable number.

71670701 is a deficient number, since it is larger than the sum of its proper divisors (163699).

71670701 is a wasteful number, since it uses less digits than its factorization.

71670701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163698.

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 71670701 is about 8465.8550070268. The cubic root of 71670701 is about 415.3815642006.

It can be divided in two parts, 716 and 70701, that added together give a palindrome (71417).

The spelling of 71670701 in words is "seventy-one million, six hundred seventy thousand, seven hundred one".