70566007 has 2 divisors, whose sum is σ = 70566008. Its totient is φ = 70566006.

The previous prime is 70565987. The next prime is 70566037. The reversal of 70566007 is 70066507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70566007 - 2¹¹ = 70563959 is a prime.

It is a super-2 number, since 2×70566007² = 9959122687848098, which contains 22 as substring.

It is a Chen prime.

It is equal to p_4149454 and since 70566007 and 4149454 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70566007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70566037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35283003 + 35283004.

It is an arithmetic number, because the mean of its divisors is an integer number (35283004).

Almost surely, 2^70566007 is an apocalyptic number.

70566007 is a deficient number, since it is larger than the sum of its proper divisors (1).

70566007 is an equidigital number, since it uses as much as digits as its factorization.

70566007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 70566007 is about 8400.3575519141. The cubic root of 70566007 is about 413.2363477067.

Subtracting from 70566007 its reverse (70066507), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 70566007 in words is "seventy million, five hundred sixty-six thousand, seven".