71430458 has 16 divisors (see below), whose sum is σ = 117498816. Its totient is φ = 32298240.

The previous prime is 71430449. The next prime is 71430497. The reversal of 71430458 is 85403417.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 12657.

It is an arithmetic number, because the mean of its divisors is an integer number (7343676).

Almost surely, 2^71430458 is an apocalyptic number.

71430458 is a deficient number, since it is larger than the sum of its proper divisors (46068358).

71430458 is a wasteful number, since it uses less digits than its factorization.

71430458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17029.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 71430458 is about 8451.6541576191. The cubic root of 71430458 is about 414.9169195474.

The spelling of 71430458 in words is "seventy-one million, four hundred thirty thousand, four hundred fifty-eight".