70498691 has 2 divisors, whose sum is σ = 70498692. Its totient is φ = 70498690.

The previous prime is 70498679. The next prime is 70498717. The reversal of 70498691 is 19689407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70498691 - 2⁶ = 70498627 is a prime.

It is not a weakly prime, because it can be changed into another prime (70498651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35249345 + 35249346.

It is an arithmetic number, because the mean of its divisors is an integer number (35249346).

Almost surely, 2^70498691 is an apocalyptic number.

70498691 is a deficient number, since it is larger than the sum of its proper divisors (1).

70498691 is an equidigital number, since it uses as much as digits as its factorization.

70498691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 70498691 is about 8396.3498616959. The cubic root of 70498691 is about 413.1049044936.

The spelling of 70498691 in words is "seventy million, four hundred ninety-eight thousand, six hundred ninety-one".