71402001 has 16 divisors (see below), whose sum is σ = 103998720. Its totient is φ = 43215120.

The previous prime is 71401999. The next prime is 71402003. The reversal of 71402001 is 10020417.

It is an interprime number because it is at equal distance from previous prime (71401999) and next prime (71402003).

It is not a de Polignac number, because 71402001 - 2¹ = 71401999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71402003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47406 + ... + 48888.

It is an arithmetic number, because the mean of its divisors is an integer number (6499920).

Almost surely, 2^71402001 is an apocalyptic number.

It is an amenable number.

71402001 is a deficient number, since it is larger than the sum of its proper divisors (32596719).

71402001 is a wasteful number, since it uses less digits than its factorization.

71402001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 71402001 is about 8449.9704733212. The cubic root of 71402001 is about 414.8618129938.

Adding to 71402001 its reverse (10020417), we get a palindrome (81422418).

The spelling of 71402001 in words is "seventy-one million, four hundred two thousand, one".