71472151 has 4 divisors (see below), whose sum is σ = 71489704. Its totient is φ = 71454600.

The previous prime is 71472139. The next prime is 71472157. The reversal of 71472151 is 15127417.

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

It is a cyclic number.

It is not a de Polignac number, because 71472151 - 2⁵ = 71472119 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 (71472157) 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, 856 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (17872426).

Almost surely, 2^71472151 is an apocalyptic number.

71472151 is a deficient number, since it is larger than the sum of its proper divisors (17553).

71472151 is a wasteful number, since it uses less digits than its factorization.

71472151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17552.

The product of its digits is 1960, while the sum is 28.

The square root of 71472151 is about 8454.1203563706. The cubic root of 71472151 is about 414.9976309924.

Adding to 71472151 its reverse (15127417), we get a palindrome (86599568).

The spelling of 71472151 in words is "seventy-one million, four hundred seventy-two thousand, one hundred fifty-one".