71485963 has 2 divisors, whose sum is σ = 71485964. Its totient is φ = 71485962.

The previous prime is 71485949. The next prime is 71485979. The reversal of 71485963 is 36958417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71485963 - 2¹³ = 71477771 is a prime.

It is a super-2 number, since 2×71485963² = 10220485812074738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71485903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35742981 + 35742982.

It is an arithmetic number, because the mean of its divisors is an integer number (35742982).

Almost surely, 2^71485963 is an apocalyptic number.

71485963 is a deficient number, since it is larger than the sum of its proper divisors (1).

71485963 is an equidigital number, since it uses as much as digits as its factorization.

71485963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 71485963 is about 8454.9371966916. The cubic root of 71485963 is about 415.0243620478.

The spelling of 71485963 in words is "seventy-one million, four hundred eighty-five thousand, nine hundred sixty-three".