70500007 has 2 divisors, whose sum is σ = 70500008. Its totient is φ = 70500006.

The previous prime is 70499999. The next prime is 70500011. The reversal of 70500007 is 70000507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70500007 - 2³ = 70499999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70500077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250003 + 35250004.

It is an arithmetic number, because the mean of its divisors is an integer number (35250004).

Almost surely, 2^70500007 is an apocalyptic number.

70500007 is a deficient number, since it is larger than the sum of its proper divisors (1).

70500007 is an equidigital number, since it uses as much as digits as its factorization.

70500007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245, while the sum is 19.

The square root of 70500007 is about 8396.4282287173. The cubic root of 70500007 is about 413.1074749559.

Subtracting from 70500007 its reverse (70000507), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 70500007 in words is "seventy million, five hundred thousand, seven".