71452160 has 160 divisors (see below), whose sum is σ = 195924960. Its totient is φ = 24772608.

The previous prime is 71452159. The next prime is 71452163. The reversal of 71452160 is 6125417.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×71452160² = 10210822337331200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71452163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632264 + ... + 632376.

It is an arithmetic number, because the mean of its divisors is an integer number (1224531).

Almost surely, 2^71452160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71452160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97962480).

71452160 is an abundant number, since it is smaller than the sum of its proper divisors (124472800).

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

71452160 is a wasteful number, since it uses less digits than its factorization.

71452160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 71452160 is about 8452.9379507956. The cubic root of 71452160 is about 414.9589353087.

Adding to 71452160 its reverse (6125417), we get a palindrome (77577577).

The spelling of 71452160 in words is "seventy-one million, four hundred fifty-two thousand, one hundred sixty".