71361078 has 16 divisors (see below), whose sum is σ = 144109056. Its totient is φ = 23555880.

The previous prime is 71361067. The next prime is 71361079. The reversal of 71361078 is 87016317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71361079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57118 + ... + 58353.

It is an arithmetic number, because the mean of its divisors is an integer number (9006816).

Almost surely, 2^71361078 is an apocalyptic number.

71361078 is an abundant number, since it is smaller than the sum of its proper divisors (72747978).

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

71361078 is a wasteful number, since it uses less digits than its factorization.

71361078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115579.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 71361078 is about 8447.5486385105. The cubic root of 71361078 is about 414.7825405447.

The spelling of 71361078 in words is "seventy-one million, three hundred sixty-one thousand, seventy-eight".