76540212 has 36 divisors (see below), whose sum is σ = 221116896. Its totient is φ = 21868560.

The previous prime is 76540207. The next prime is 76540223. The reversal of 76540212 is 21204567.

76540212 is a `hidden beast` number, since 7 + 654 + 0 + 2 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151614 + ... + 152117.

It is an arithmetic number, because the mean of its divisors is an integer number (6142136).

Almost surely, 2^76540212 is an apocalyptic number.

It is an amenable number.

76540212 is an abundant number, since it is smaller than the sum of its proper divisors (144576684).

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

76540212 is a wasteful number, since it uses less digits than its factorization.

76540212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303748 (or 303743 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 76540212 is about 8748.7263072975. The cubic root of 76540212 is about 424.5836050873.

Adding to 76540212 its reverse (21204567), we get a palindrome (97744779).

The spelling of 76540212 in words is "seventy-six million, five hundred forty thousand, two hundred twelve".