71620463 has 2 divisors, whose sum is σ = 71620464. Its totient is φ = 71620462.

The previous prime is 71620441. The next prime is 71620489. The reversal of 71620463 is 36402617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71620463 - 2⁸ = 71620207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71620403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35810231 + 35810232.

It is an arithmetic number, because the mean of its divisors is an integer number (35810232).

Almost surely, 2^71620463 is an apocalyptic number.

71620463 is a deficient number, since it is larger than the sum of its proper divisors (1).

71620463 is an equidigital number, since it uses as much as digits as its factorization.

71620463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 71620463 is about 8462.8873914285. The cubic root of 71620463 is about 415.2844867968.

The spelling of 71620463 in words is "seventy-one million, six hundred twenty thousand, four hundred sixty-three".