71227401 has 16 divisors (see below), whose sum is σ = 109010304. Its totient is φ = 40523904.

The previous prime is 71227381. The next prime is 71227411. The reversal of 71227401 is 10472217.

It is not a de Polignac number, because 71227401 - 2⁵ = 71227369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71227411) 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, 2386 + ... + 12171.

It is an arithmetic number, because the mean of its divisors is an integer number (6813144).

Almost surely, 2^71227401 is an apocalyptic number.

It is an amenable number.

71227401 is a deficient number, since it is larger than the sum of its proper divisors (37782903).

71227401 is a wasteful number, since it uses less digits than its factorization.

71227401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14800.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 71227401 is about 8439.6327526735. The cubic root of 71227401 is about 414.5233817931.

Adding to 71227401 its reverse (10472217), we get a palindrome (81699618).

The spelling of 71227401 in words is "seventy-one million, two hundred twenty-seven thousand, four hundred one".