71950473 has 72 divisors (see below), whose sum is σ = 131838720. Its totient is φ = 37558080.

The previous prime is 71950457. The next prime is 71950493. The reversal of 71950473 is 37405917.

It is a happy number.

It is not a de Polignac number, because 71950473 - 2⁴ = 71950457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71950433) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 259611 + ... + 259887.

Almost surely, 2^71950473 is an apocalyptic number.

It is an amenable number.

71950473 is a deficient number, since it is larger than the sum of its proper divisors (59888247).

71950473 is a wasteful number, since it uses less digits than its factorization.

71950473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 71950473 is about 8482.3624657285. The cubic root of 71950473 is about 415.9213535528.

The spelling of 71950473 in words is "seventy-one million, nine hundred fifty thousand, four hundred seventy-three".