70664467 has 2 divisors, whose sum is σ = 70664468. Its totient is φ = 70664466.

The previous prime is 70664459. The next prime is 70664471. The reversal of 70664467 is 76446607.

It is a strong prime.

It is an emirp because it is prime and its reverse (76446607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70664467 - 2³ = 70664459 is a prime.

It is not a weakly prime, because it can be changed into another prime (70664497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35332233 + 35332234.

It is an arithmetic number, because the mean of its divisors is an integer number (35332234).

Almost surely, 2^70664467 is an apocalyptic number.

70664467 is a deficient number, since it is larger than the sum of its proper divisors (1).

70664467 is an equidigital number, since it uses as much as digits as its factorization.

70664467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 70664467 is about 8406.2159739088. The cubic root of 70664467 is about 413.4284531490.

The spelling of 70664467 in words is "seventy million, six hundred sixty-four thousand, four hundred sixty-seven".