70850641 has 2 divisors, whose sum is σ = 70850642. Its totient is φ = 70850640.

The previous prime is 70850617. The next prime is 70850653. The reversal of 70850641 is 14605807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70812225 + 38416 = 8415^2 + 196^2 .

It is an emirp because it is prime and its reverse (14605807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70850641 - 2⁷ = 70850513 is a prime.

It is a super-2 number, since 2×70850641² = 10039626660221762, which contains 22 as substring.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35425320 + 35425321.

It is an arithmetic number, because the mean of its divisors is an integer number (35425321).

Almost surely, 2^70850641 is an apocalyptic number.

It is an amenable number.

70850641 is a deficient number, since it is larger than the sum of its proper divisors (1).

70850641 is an equidigital number, since it uses as much as digits as its factorization.

70850641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 70850641 is about 8417.2822811166. The cubic root of 70850641 is about 413.7912103481.

The spelling of 70850641 in words is "seventy million, eight hundred fifty thousand, six hundred forty-one".