76554540 has 72 divisors (see below), whose sum is σ = 237182400. Its totient is φ = 19977984.

The previous prime is 76554529. The next prime is 76554547. The reversal of 76554540 is 4545567.

It is a happy number.

76554540 is a `hidden beast` number, since 7 + 65 + 54 + 540 = 666.

It is a super-2 number, since 2×76554540² = 11721195189223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 76554495 and 76554504.

It is not an unprimeable number, because it can be changed into a prime (76554547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3936 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (3294200).

Almost surely, 2^76554540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76554540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118591200).

76554540 is an abundant number, since it is smaller than the sum of its proper divisors (160627860).

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

76554540 is a wasteful number, since it uses less digits than its factorization.

76554540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111 (or 9106 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 76554540 is about 8749.5451310340. The cubic root of 76554540 is about 424.6100968454.

The spelling of 76554540 in words is "seventy-six million, five hundred fifty-four thousand, five hundred forty".