73070471 has 12 divisors (see below), whose sum is σ = 81003792. Its totient is φ = 65776128.

The previous prime is 73070467. The next prime is 73070483. The reversal of 73070471 is 17407037.

It is not a de Polignac number, because 73070471 - 2² = 73070467 is a prime.

It is a super-3 number, since 3×73070471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73070171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1151 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (6750316).

Almost surely, 2^73070471 is an apocalyptic number.

73070471 is a deficient number, since it is larger than the sum of its proper divisors (7933321).

73070471 is a wasteful number, since it uses less digits than its factorization.

73070471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050 (or 11033 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 73070471 is about 8548.1267538567. The cubic root of 73070471 is about 418.0683614145.

The spelling of 73070471 in words is "seventy-three million, seventy thousand, four hundred seventy-one".