76211440 has 40 divisors (see below), whose sum is σ = 180970560. Its totient is φ = 29834496.

The previous prime is 76211419. The next prime is 76211441. The reversal of 76211440 is 4411267.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76211441) 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, 6375 + ... + 13894.

It is an arithmetic number, because the mean of its divisors is an integer number (4524264).

Almost surely, 2^76211440 is an apocalyptic number.

It is an amenable number.

76211440 is an abundant number, since it is smaller than the sum of its proper divisors (104759120).

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

76211440 is a wasteful number, since it uses less digits than its factorization.

76211440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20329 (or 20323 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 76211440 is about 8729.9163798973. The cubic root of 76211440 is about 423.9748116044.

The spelling of 76211440 in words is "seventy-six million, two hundred eleven thousand, four hundred forty".