71294160 has 80 divisors (see below), whose sum is σ = 252590976. Its totient is φ = 16295424.

The previous prime is 71294149. The next prime is 71294173. The reversal of 71294160 is 6149217.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19539 + ... + 22898.

Almost surely, 2^71294160 is an apocalyptic number.

71294160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71294160 is an abundant number, since it is smaller than the sum of its proper divisors (181296816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71294160 is a wasteful number, since it uses less digits than its factorization.

71294160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42460 (or 42454 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 71294160 is about 8443.5869155235. The cubic root of 71294160 is about 414.6528475364.

The spelling of 71294160 in words is "seventy-one million, two hundred ninety-four thousand, one hundred sixty".