71427150 has 96 divisors (see below), whose sum is σ = 198662880. Its totient is φ = 18869760.

The previous prime is 71427133. The next prime is 71427151. The reversal of 71427150 is 5172417.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71427151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211782 + ... + 212118.

It is an arithmetic number, because the mean of its divisors is an integer number (2069405).

Almost surely, 2^71427150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71427150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99331440).

71427150 is an abundant number, since it is smaller than the sum of its proper divisors (127235730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71427150 is a wasteful number, since it uses less digits than its factorization.

71427150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 71427150 is about 8451.4584540185. The cubic root of 71427150 is about 414.9105144069.

Adding to 71427150 its reverse (5172417), we get a palindrome (76599567).

The spelling of 71427150 in words is "seventy-one million, four hundred twenty-seven thousand, one hundred fifty".