75132747 has 24 divisors (see below), whose sum is σ = 114162048. Its totient is φ = 47548800.

The previous prime is 75132737. The next prime is 75132749. The reversal of 75132747 is 74723157.

It is not a de Polignac number, because 75132747 - 2¹⁶ = 75067211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75132749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12247 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (4756752).

Almost surely, 2^75132747 is an apocalyptic number.

75132747 is a deficient number, since it is larger than the sum of its proper divisors (39029301).

75132747 is a wasteful number, since it uses less digits than its factorization.

75132747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171 (or 5168 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 75132747 is about 8667.9148011503. The cubic root of 75132747 is about 421.9649930156.

The spelling of 75132747 in words is "seventy-five million, one hundred thirty-two thousand, seven hundred forty-seven".