76471668 has 192 divisors, whose sum is σ = 252887040. Its totient is φ = 19440000.

The previous prime is 76471649. The next prime is 76471693. The reversal of 76471668 is 86617467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 304543 + ... + 304793.

It is an arithmetic number, because the mean of its divisors is an integer number (1317120).

Almost surely, 2^76471668 is an apocalyptic number.

76471668 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76471668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126443520).

76471668 is an abundant number, since it is smaller than the sum of its proper divisors (176415372).

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

76471668 is a wasteful number, since it uses less digits than its factorization.

76471668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 307 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 76471668 is about 8744.8080596432. The cubic root of 76471668 is about 424.4568248863.

The spelling of 76471668 in words is "seventy-six million, four hundred seventy-one thousand, six hundred sixty-eight".