76471340 has 48 divisors (see below), whose sum is σ = 175954464. Its totient is φ = 27686400.

The previous prime is 76471337. The next prime is 76471349. The reversal of 76471340 is 4317467.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 76471297 and 76471306.

It is not an unprimeable number, because it can be changed into a prime (76471349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61202 + ... + 62438.

It is an arithmetic number, because the mean of its divisors is an integer number (3665718).

Almost surely, 2^76471340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76471340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87977232).

76471340 is an abundant number, since it is smaller than the sum of its proper divisors (99483124).

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

76471340 is a wasteful number, since it uses less digits than its factorization.

76471340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 76471340 is about 8744.7893056380. The cubic root of 76471340 is about 424.4562180296.

The spelling of 76471340 in words is "seventy-six million, four hundred seventy-one thousand, three hundred forty".