71857074 has 8 divisors (see below), whose sum is σ = 143714160. Its totient is φ = 23952356.

The previous prime is 71857073. The next prime is 71857091. The reversal of 71857074 is 47075817.

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

71857074 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (71857073) 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, 5988084 + ... + 5988095.

It is an arithmetic number, because the mean of its divisors is an integer number (17964270).

Almost surely, 2^71857074 is an apocalyptic number.

71857074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71857074 is a wasteful number, since it uses less digits than its factorization.

71857074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976184.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 71857074 is about 8476.8551951770. The cubic root of 71857074 is about 415.7413062787.

The spelling of 71857074 in words is "seventy-one million, eight hundred fifty-seven thousand, seventy-four".