71418151 has 8 divisors (see below), whose sum is σ = 85169664. Its totient is φ = 58553880.

The previous prime is 71418121. The next prime is 71418157. The reversal of 71418151 is 15181417.

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

It is not a de Polignac number, because 71418151 - 2⁹ = 71417639 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 (71418157) 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, 221635 + ... + 221956.

It is an arithmetic number, because the mean of its divisors is an integer number (10646208).

Almost surely, 2^71418151 is an apocalyptic number.

71418151 is a deficient number, since it is larger than the sum of its proper divisors (13751513).

71418151 is a wasteful number, since it uses less digits than its factorization.

71418151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443621.

The product of its digits is 1120, while the sum is 28.

The square root of 71418151 is about 8450.9260439315. The cubic root of 71418151 is about 414.8930890229.

Adding to 71418151 its reverse (15181417), we get a palindrome (86599568).

The spelling of 71418151 in words is "seventy-one million, four hundred eighteen thousand, one hundred fifty-one".