71404662 has 24 divisors (see below), whose sum is σ = 166125816. Its totient is φ = 20401248.

The previous prime is 71404661. The next prime is 71404693. The reversal of 71404662 is 26640417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71404661) 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 11 ways as a sum of consecutive naturals, for example, 121143 + ... + 121730.

It is an arithmetic number, because the mean of its divisors is an integer number (6921909).

Almost surely, 2^71404662 is an apocalyptic number.

71404662 is an abundant number, since it is smaller than the sum of its proper divisors (94721154).

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

71404662 is a wasteful number, since it uses less digits than its factorization.

71404662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242892 (or 242885 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 71404662 is about 8450.1279280257. The cubic root of 71404662 is about 414.8669666008.

The spelling of 71404662 in words is "seventy-one million, four hundred four thousand, six hundred sixty-two".