69670697 has 2 divisors, whose sum is σ = 69670698. Its totient is φ = 69670696.

The previous prime is 69670693. The next prime is 69670753. The reversal of 69670697 is 79607696.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 22005481 = 6904^2 + 4691^2 .

It is a cyclic number.

It is not a de Polignac number, because 69670697 - 2² = 69670693 is a prime.

It is not a weakly prime, because it can be changed into another prime (69670691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34835348 + 34835349.

It is an arithmetic number, because the mean of its divisors is an integer number (34835349).

Almost surely, 2^69670697 is an apocalyptic number.

It is an amenable number.

69670697 is a deficient number, since it is larger than the sum of its proper divisors (1).

69670697 is an equidigital number, since it uses as much as digits as its factorization.

69670697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 69670697 is about 8346.8974475550. The cubic root of 69670697 is about 411.4812512404.

The spelling of 69670697 in words is "sixty-nine million, six hundred seventy thousand, six hundred ninety-seven".