70549811 has 2 divisors, whose sum is σ = 70549812. Its totient is φ = 70549810.

The previous prime is 70549783. The next prime is 70549849. The reversal of 70549811 is 11894507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70549811 - 2¹⁴ = 70533427 is a prime.

It is not a weakly prime, because it can be changed into another prime (70549891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35274905 + 35274906.

It is an arithmetic number, because the mean of its divisors is an integer number (35274906).

Almost surely, 2^70549811 is an apocalyptic number.

70549811 is a deficient number, since it is larger than the sum of its proper divisors (1).

70549811 is an equidigital number, since it uses as much as digits as its factorization.

70549811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 70549811 is about 8399.3934900087. The cubic root of 70549811 is about 413.2047305572.

The spelling of 70549811 in words is "seventy million, five hundred forty-nine thousand, eight hundred eleven".