70715671 has 4 divisors (see below), whose sum is σ = 76155352. Its totient is φ = 65275992.

The previous prime is 70715669. The next prime is 70715677. The reversal of 70715671 is 17651707.

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 70715671 - 2¹ = 70715669 is a prime.

It is a super-2 number, since 2×70715671² = 10001412249960482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70715677) 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, 2719821 + ... + 2719846.

It is an arithmetic number, because the mean of its divisors is an integer number (19038838).

Almost surely, 2^70715671 is an apocalyptic number.

70715671 is a deficient number, since it is larger than the sum of its proper divisors (5439681).

70715671 is a wasteful number, since it uses less digits than its factorization.

70715671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439680.

The product of its (nonzero) digits is 10290, while the sum is 34.

The square root of 70715671 is about 8409.2610257977. The cubic root of 70715671 is about 413.5282868200.

The spelling of 70715671 in words is "seventy million, seven hundred fifteen thousand, six hundred seventy-one".