75133480 has 32 divisors (see below), whose sum is σ = 169685640. Its totient is φ = 29940480.

The previous prime is 75133477. The next prime is 75133507. The reversal of 75133480 is 8433157.

It can be written as a sum of positive squares in 4 ways, for example, as 45778756 + 29354724 = 6766^2 + 5418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7690 + ... + 14470.

Almost surely, 2^75133480 is an apocalyptic number.

It is an amenable number.

75133480 is an abundant number, since it is smaller than the sum of its proper divisors (94552160).

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

75133480 is a wasteful number, since it uses less digits than its factorization.

75133480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7069 (or 7065 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 75133480 is about 8667.9570834194. The cubic root of 75133480 is about 421.9663652505.

The spelling of 75133480 in words is "seventy-five million, one hundred thirty-three thousand, four hundred eighty".