71452641 has 8 divisors (see below), whose sum is σ = 102598720. Its totient is φ = 43970832.

The previous prime is 71452637. The next prime is 71452657. The reversal of 71452641 is 14625417.

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

It is not a de Polignac number, because 71452641 - 2² = 71452637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71452599 and 71452608.

It is not an unprimeable number, because it can be changed into a prime (71452691) 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 7 ways as a sum of consecutive naturals, for example, 916021 + ... + 916098.

It is an arithmetic number, because the mean of its divisors is an integer number (12824840).

Almost surely, 2^71452641 is an apocalyptic number.

It is an amenable number.

71452641 is a deficient number, since it is larger than the sum of its proper divisors (31146079).

71452641 is a wasteful number, since it uses less digits than its factorization.

71452641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832135.

The product of its digits is 6720, while the sum is 30.

The square root of 71452641 is about 8452.9664023939. The cubic root of 71452641 is about 414.9598664436.

The spelling of 71452641 in words is "seventy-one million, four hundred fifty-two thousand, six hundred forty-one".