76224528 has 60 divisors (see below), whose sum is σ = 220690860. Its totient is φ = 24530688.

The previous prime is 76224521. The next prime is 76224529. The reversal of 76224528 is 82542267.

76224528 is a `hidden beast` number, since 7 + 622 + 4 + 5 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13307904 + 62916624 = 3648^2 + 7932^2 .

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 = 76224492 and 76224501.

It is not an unprimeable number, because it can be changed into a prime (76224521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4951 + ... + 13302.

It is an arithmetic number, because the mean of its divisors is an integer number (3678181).

Almost surely, 2^76224528 is an apocalyptic number.

It is an amenable number.

76224528 is an abundant number, since it is smaller than the sum of its proper divisors (144466332).

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

76224528 is a wasteful number, since it uses less digits than its factorization.

76224528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296 (or 18287 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 76224528 is about 8730.6659539808. The cubic root of 76224528 is about 423.9990803350. Note that the first 3 decimals are identical.

The spelling of 76224528 in words is "seventy-six million, two hundred twenty-four thousand, five hundred twenty-eight".