71470273 has 24 divisors (see below), whose sum is σ = 86640000. Its totient is φ = 58732128.

The previous prime is 71470249. The next prime is 71470291. The reversal of 71470273 is 37207417.

It is not a de Polignac number, because 71470273 - 2²⁵ = 37915841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71470073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142978 + ... + 143476.

It is an arithmetic number, because the mean of its divisors is an integer number (3610000).

Almost surely, 2^71470273 is an apocalyptic number.

It is an amenable number.

71470273 is a deficient number, since it is larger than the sum of its proper divisors (15169727).

71470273 is a wasteful number, since it uses less digits than its factorization.

71470273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 71470273 is about 8454.0092855402. The cubic root of 71470273 is about 414.9939961390.

The spelling of 71470273 in words is "seventy-one million, four hundred seventy thousand, two hundred seventy-three".