133473572 has 6 divisors (see below), whose sum is σ = 233578758. Its totient is φ = 66736784.

The previous prime is 133473553. The next prime is 133473601. The reversal of 133473572 is 275374331.

133473572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 67798756 + 65674816 = 8234^2 + 8104^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16684193 + ... + 16684200.

It is an arithmetic number, because the mean of its divisors is an integer number (38929793).

Almost surely, 2^133473572 is an apocalyptic number.

It is an amenable number.

133473572 is a deficient number, since it is larger than the sum of its proper divisors (100105186).

133473572 is a wasteful number, since it uses less digits than its factorization.

133473572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33368397 (or 33368395 counting only the distinct ones).

The product of its digits is 52920, while the sum is 35.

The square root of 133473572 is about 11553.0763002760. The cubic root of 133473572 is about 511.0520025253.

The spelling of 133473572 in words is "one hundred thirty-three million, four hundred seventy-three thousand, five hundred seventy-two".