71541402 has 16 divisors (see below), whose sum is σ = 143195040. Its totient is φ = 23828432.

The previous prime is 71541401. The next prime is 71541409. The reversal of 71541402 is 20414517.

It is not an unprimeable number, because it can be changed into a prime (71541401) 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, 5224 + ... + 13052.

It is an arithmetic number, because the mean of its divisors is an integer number (8949690).

Almost surely, 2^71541402 is an apocalyptic number.

71541402 is an abundant number, since it is smaller than the sum of its proper divisors (71653638).

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

71541402 is a wasteful number, since it uses less digits than its factorization.

71541402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9357.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 71541402 is about 8458.2150599284. The cubic root of 71541402 is about 415.1316212883.

Adding to 71541402 its reverse (20414517), we get a palindrome (91955919).

The spelling of 71541402 in words is "seventy-one million, five hundred forty-one thousand, four hundred two".