742522180 has 12 divisors (see below), whose sum is σ = 1559296620. Its totient is φ = 297008864.

The previous prime is 742522163. The next prime is 742522217. The reversal of 742522180 is 81225247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 485497156 + 257025024 = 22034^2 + 16032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18563035 + ... + 18563074.

It is an arithmetic number, because the mean of its divisors is an integer number (129941385).

Almost surely, 2^742522180 is an apocalyptic number.

It is an amenable number.

742522180 is an abundant number, since it is smaller than the sum of its proper divisors (816774440).

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

742522180 is a wasteful number, since it uses less digits than its factorization.

742522180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37126118 (or 37126116 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 742522180 is about 27249.2601734432. The cubic root of 742522180 is about 905.5306270267.

The spelling of 742522180 in words is "seven hundred forty-two million, five hundred twenty-two thousand, one hundred eighty".