71700697 has 4 divisors (see below), whose sum is σ = 71721936. Its totient is φ = 71679460.

The previous prime is 71700691. The next prime is 71700703. The reversal of 71700697 is 79600717.

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 (71700691) and next prime (71700703).

It is a cyclic number.

It is not a de Polignac number, because 71700697 - 2⁷ = 71700569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71700691) 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, 4303 + ... + 12724.

It is an arithmetic number, because the mean of its divisors is an integer number (17930484).

Almost surely, 2^71700697 is an apocalyptic number.

It is an amenable number.

71700697 is a deficient number, since it is larger than the sum of its proper divisors (21239).

71700697 is a wasteful number, since it uses less digits than its factorization.

71700697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21238.

The product of its (nonzero) digits is 18522, while the sum is 37.

The square root of 71700697 is about 8467.6264088586. The cubic root of 71700697 is about 415.4395053462.

The spelling of 71700697 in words is "seventy-one million, seven hundred thousand, six hundred ninety-seven".