71048078 has 4 divisors (see below), whose sum is σ = 106572120. Its totient is φ = 35524038.

The previous prime is 71048071. The next prime is 71048093. The reversal of 71048078 is 87084017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87084017 = 4793 ⋅18169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71048071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17762018 + ... + 17762021.

It is an arithmetic number, because the mean of its divisors is an integer number (26643030).

Almost surely, 2^71048078 is an apocalyptic number.

71048078 is a deficient number, since it is larger than the sum of its proper divisors (35524042).

71048078 is a wasteful number, since it uses less digits than its factorization.

71048078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35524041.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 71048078 is about 8429.0021948034. The cubic root of 71048078 is about 414.1752196917.

The spelling of 71048078 in words is "seventy-one million, forty-eight thousand, seventy-eight".