71406011 has 4 divisors (see below), whose sum is σ = 71449224. Its totient is φ = 71362800.

The previous prime is 71405981. The next prime is 71406017. The reversal of 71406011 is 11060417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11060417 = 43 ⋅257219.

It is a cyclic number.

It is not a de Polignac number, because 71406011 - 2¹⁰ = 71404987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71406017) 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, 19025 + ... + 22466.

It is an arithmetic number, because the mean of its divisors is an integer number (17862306).

Almost surely, 2^71406011 is an apocalyptic number.

71406011 is a deficient number, since it is larger than the sum of its proper divisors (43213).

71406011 is a wasteful number, since it uses less digits than its factorization.

71406011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43212.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 71406011 is about 8450.2077489255. The cubic root of 71406011 is about 414.8695791847.

Adding to 71406011 its reverse (11060417), we get a palindrome (82466428).

The spelling of 71406011 in words is "seventy-one million, four hundred six thousand, eleven".