70797971 has 8 divisors (see below), whose sum is σ = 74752080. Its totient is φ = 66866688.

The previous prime is 70797959. The next prime is 70797973. The reversal of 70797971 is 17979707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70797971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70797973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875 + ... + 11931.

It is an arithmetic number, because the mean of its divisors is an integer number (9344010).

Almost surely, 2^70797971 is an apocalyptic number.

70797971 is a deficient number, since it is larger than the sum of its proper divisors (3954109).

70797971 is a wasteful number, since it uses less digits than its factorization.

70797971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413.

The product of its (nonzero) digits is 194481, while the sum is 47.

The square root of 70797971 is about 8414.1530173868. The cubic root of 70797971 is about 413.6886481807.

The spelling of 70797971 in words is "seventy million, seven hundred ninety-seven thousand, nine hundred seventy-one".