71301406 has 16 divisors (see below), whose sum is σ = 116805888. Its totient is φ = 32373400.

The previous prime is 71301389. The next prime is 71301407. The reversal of 71301406 is 60410317.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71301407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33531 + ... + 35593.

It is an arithmetic number, because the mean of its divisors is an integer number (7300368).

Almost surely, 2^71301406 is an apocalyptic number.

71301406 is a deficient number, since it is larger than the sum of its proper divisors (45504482).

71301406 is a wasteful number, since it uses less digits than its factorization.

71301406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 71301406 is about 8444.0159876684. The cubic root of 71301406 is about 414.6668948429. Note that the first 3 decimals are identical.

The spelling of 71301406 in words is "seventy-one million, three hundred one thousand, four hundred six".