71869473 has 24 divisors (see below), whose sum is σ = 112112000. Its totient is φ = 44102880.

The previous prime is 71869463. The next prime is 71869487. The reversal of 71869473 is 37496817.

It is not a de Polignac number, because 71869473 - 2⁶ = 71869409 is a prime.

It is a super-2 number, since 2×71869473² = 10330442298595458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71869423) 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, 57768 + ... + 58998.

Almost surely, 2^71869473 is an apocalyptic number.

It is an amenable number.

71869473 is a deficient number, since it is larger than the sum of its proper divisors (40242527).

71869473 is a wasteful number, since it uses less digits than its factorization.

71869473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1746 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 71869473 is about 8477.5865079632. The cubic root of 71869473 is about 415.7652170770.

The spelling of 71869473 in words is "seventy-one million, eight hundred sixty-nine thousand, four hundred seventy-three".