70779463 has 2 divisors, whose sum is σ = 70779464. Its totient is φ = 70779462.

The previous prime is 70779461. The next prime is 70779473. The reversal of 70779463 is 36497707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70779463 - 2¹ = 70779461 is a prime.

Together with 70779461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70779461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35389731 + 35389732.

It is an arithmetic number, because the mean of its divisors is an integer number (35389732).

Almost surely, 2^70779463 is an apocalyptic number.

70779463 is a deficient number, since it is larger than the sum of its proper divisors (1).

70779463 is an equidigital number, since it uses as much as digits as its factorization.

70779463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 70779463 is about 8413.0531318898. The cubic root of 70779463 is about 413.6525962211.

The spelling of 70779463 in words is "seventy million, seven hundred seventy-nine thousand, four hundred sixty-three".