742528580 has 24 divisors (see below), whose sum is σ = 1601455128. Its totient is φ = 288983808.

The previous prime is 742528571. The next prime is 742528583. The reversal of 742528580 is 85825247.

It can be written as a sum of positive squares in 4 ways, for example, as 74926336 + 667602244 = 8656^2 + 25838^2 .

It is not an unprimeable number, because it can be changed into a prime (742528583) 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, 500969 + ... + 502448.

It is an arithmetic number, because the mean of its divisors is an integer number (66727297).

Almost surely, 2^742528580 is an apocalyptic number.

It is an amenable number.

742528580 is an abundant number, since it is smaller than the sum of its proper divisors (858926548).

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

742528580 is a wasteful number, since it uses less digits than its factorization.

742528580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003463 (or 1003461 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 742528580 is about 27249.3776075711. The cubic root of 742528580 is about 905.5332286905.

The spelling of 742528580 in words is "seven hundred forty-two million, five hundred twenty-eight thousand, five hundred eighty".