71432474 has 8 divisors (see below), whose sum is σ = 107211540. Its totient is φ = 35695296.

The previous prime is 71432467. The next prime is 71432477. The reversal of 71432474 is 47423417.

It can be written as a sum of positive squares in 2 ways, for example, as 71284249 + 148225 = 8443^2 + 385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71432474.

It is not an unprimeable number, because it can be changed into a prime (71432477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5789 + ... + 13280.

Almost surely, 2^71432474 is an apocalyptic number.

71432474 is a deficient number, since it is larger than the sum of its proper divisors (35779066).

71432474 is a wasteful number, since it uses less digits than its factorization.

71432474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20944.

The product of its digits is 18816, while the sum is 32.

The square root of 71432474 is about 8451.7734233710. The cubic root of 71432474 is about 414.9208229459.

The spelling of 71432474 in words is "seventy-one million, four hundred thirty-two thousand, four hundred seventy-four".