76774340 has 24 divisors (see below), whose sum is σ = 163961280. Its totient is φ = 30188768.

The previous prime is 76774331. The next prime is 76774349. The reversal of 76774340 is 4347767.

It is an interprime number because it is at equal distance from previous prime (76774331) and next prime (76774349).

It is a junction number, because it is equal to n+sod(n) for n = 76774294 and 76774303.

It is not an unprimeable number, because it can be changed into a prime (76774349) 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, 31352 + ... + 33711.

It is an arithmetic number, because the mean of its divisors is an integer number (6831720).

Almost surely, 2^76774340 is an apocalyptic number.

It is an amenable number.

76774340 is an abundant number, since it is smaller than the sum of its proper divisors (87186940).

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

76774340 is a wasteful number, since it uses less digits than its factorization.

76774340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65131 (or 65129 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 76774340 is about 8762.0967810222. The cubic root of 76774340 is about 425.0160824364.

The spelling of 76774340 in words is "seventy-six million, seven hundred seventy-four thousand, three hundred forty".