71014157 has 4 divisors (see below), whose sum is σ = 71382300. Its totient is φ = 70646016.

The previous prime is 71014147. The next prime is 71014159. The reversal of 71014157 is 75141017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39866596 + 31147561 = 6314^2 + 5581^2 .

It is a cyclic number.

It is not a de Polignac number, because 71014157 - 2⁶ = 71014093 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 (71014159) 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, 183782 + ... + 184167.

It is an arithmetic number, because the mean of its divisors is an integer number (17845575).

Almost surely, 2^71014157 is an apocalyptic number.

It is an amenable number.

71014157 is a deficient number, since it is larger than the sum of its proper divisors (368143).

71014157 is a wasteful number, since it uses less digits than its factorization.

71014157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368142.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 71014157 is about 8426.9897947013. The cubic root of 71014157 is about 414.1092949709.

The spelling of 71014157 in words is "seventy-one million, fourteen thousand, one hundred fifty-seven".