76771340 has 24 divisors (see below), whose sum is σ = 164970960. Its totient is φ = 29994048.

The previous prime is 76771339. The next prime is 76771349. The reversal of 76771340 is 4317767.

It is a self number, because there is not a number n which added to its sum of digits gives 76771340.

It is not an unprimeable number, because it can be changed into a prime (76771349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43775 + ... + 45494.

It is an arithmetic number, because the mean of its divisors is an integer number (6873790).

Almost surely, 2^76771340 is an apocalyptic number.

It is an amenable number.

76771340 is an abundant number, since it is smaller than the sum of its proper divisors (88199620).

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

76771340 is a wasteful number, since it uses less digits than its factorization.

76771340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89321 (or 89319 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 76771340 is about 8761.9255874494. The cubic root of 76771340 is about 425.0105464511.

The spelling of 76771340 in words is "seventy-six million, seven hundred seventy-one thousand, three hundred forty".