71477894 has 8 divisors (see below), whose sum is σ = 113523768. Its totient is φ = 33636640.

The previous prime is 71477893. The next prime is 71477897. The reversal of 71477894 is 49877417.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71477893) 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, 1051112 + ... + 1051179.

It is an arithmetic number, because the mean of its divisors is an integer number (14190471).

Almost surely, 2^71477894 is an apocalyptic number.

71477894 is a deficient number, since it is larger than the sum of its proper divisors (42045874).

71477894 is a wasteful number, since it uses less digits than its factorization.

71477894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102310.

The product of its digits is 395136, while the sum is 47.

The square root of 71477894 is about 8454.4600064108. The cubic root of 71477894 is about 415.0087461262.

The spelling of 71477894 in words is "seventy-one million, four hundred seventy-seven thousand, eight hundred ninety-four".