70500931 has 2 divisors, whose sum is σ = 70500932. Its totient is φ = 70500930.

The previous prime is 70500917. The next prime is 70500949. The reversal of 70500931 is 13900507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70500931 - 2⁷ = 70500803 is a prime.

It is a super-2 number, since 2×70500931² = 9940762543733522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70500896 and 70500905.

It is not a weakly prime, because it can be changed into another prime (70500961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250465 + 35250466.

It is an arithmetic number, because the mean of its divisors is an integer number (35250466).

Almost surely, 2^70500931 is an apocalyptic number.

70500931 is a deficient number, since it is larger than the sum of its proper divisors (1).

70500931 is an equidigital number, since it uses as much as digits as its factorization.

70500931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 70500931 is about 8396.4832519335. The cubic root of 70500931 is about 413.1092797294.

The spelling of 70500931 in words is "seventy million, five hundred thousand, nine hundred thirty-one".