76372540 has 24 divisors (see below), whose sum is σ = 160770960. Its totient is φ = 30475008.

The previous prime is 76372537. The next prime is 76372547. The reversal of 76372540 is 4527367.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 76372496 and 76372505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76372547) 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 7 ways as a sum of consecutive naturals, for example, 4251 + ... + 13069.

It is an arithmetic number, because the mean of its divisors is an integer number (6698790).

Almost surely, 2^76372540 is an apocalyptic number.

It is an amenable number.

76372540 is an abundant number, since it is smaller than the sum of its proper divisors (84398420).

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

76372540 is a wasteful number, since it uses less digits than its factorization.

76372540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261 (or 9259 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 76372540 is about 8739.1384014673. The cubic root of 76372540 is about 424.2733419016.

The spelling of 76372540 in words is "seventy-six million, three hundred seventy-two thousand, five hundred forty".