71361077 has 8 divisors (see below), whose sum is σ = 72571800. Its totient is φ = 70156800.

The previous prime is 71361067. The next prime is 71361079. The reversal of 71361077 is 77016317.

It can be written as a sum of positive squares in 4 ways, for example, as 19722481 + 51638596 = 4441^2 + 7186^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 71361077 - 2⁶ = 71361013 is a prime.

It is a Duffinian number.

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, 24077 + ... + 26877.

It is an arithmetic number, because the mean of its divisors is an integer number (9071475).

Almost surely, 2^71361077 is an apocalyptic number.

It is an amenable number.

71361077 is a deficient number, since it is larger than the sum of its proper divisors (1210723).

71361077 is a wasteful number, since it uses less digits than its factorization.

71361077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 71361077 is about 8447.5485793217. The cubic root of 71361077 is about 414.7825386073.

The spelling of 71361077 in words is "seventy-one million, three hundred sixty-one thousand, seventy-seven".