71202401 has 8 divisors (see below), whose sum is σ = 72087840. Its totient is φ = 70321248.

The previous prime is 71202379. The next prime is 71202413. The reversal of 71202401 is 10420217.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71202401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71202401.

It is not an unprimeable number, because it can be changed into a prime (71202431) 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, 42950 + ... + 44576.

It is an arithmetic number, because the mean of its divisors is an integer number (9010980).

Almost surely, 2^71202401 is an apocalyptic number.

It is an amenable number.

71202401 is a deficient number, since it is larger than the sum of its proper divisors (885439).

71202401 is a wasteful number, since it uses less digits than its factorization.

71202401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 71202401 is about 8438.1515155868. The cubic root of 71202401 is about 414.4748784686.

Adding to 71202401 its reverse (10420217), we get a palindrome (81622618).

The spelling of 71202401 in words is "seventy-one million, two hundred two thousand, four hundred one".