71430768 has 40 divisors (see below), whose sum is σ = 205034000. Its totient is φ = 23810112.

The previous prime is 71430673. The next prime is 71430781. The reversal of 71430768 is 86703417.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 82243 + ... + 83106.

It is an arithmetic number, because the mean of its divisors is an integer number (5125850).

Almost surely, 2^71430768 is an apocalyptic number.

It is an amenable number.

71430768 is an abundant number, since it is smaller than the sum of its proper divisors (133603232).

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

71430768 is a wasteful number, since it uses less digits than its factorization.

71430768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165366 (or 165354 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 71430768 is about 8451.6724972043. The cubic root of 71430768 is about 414.9175197771.

The spelling of 71430768 in words is "seventy-one million, four hundred thirty thousand, seven hundred sixty-eight".