76507133 has 4 divisors (see below), whose sum is σ = 79145340. Its totient is φ = 73868928.

The previous prime is 76507127. The next prime is 76507153. The reversal of 76507133 is 33170567.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32058244 + 44448889 = 5662^2 + 6667^2 .

It is a cyclic number.

It is not a de Polignac number, because 76507133 - 2¹⁶ = 76441597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76507133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76507153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319060 + ... + 1319117.

It is an arithmetic number, because the mean of its divisors is an integer number (19786335).

Almost surely, 2^76507133 is an apocalyptic number.

It is an amenable number.

76507133 is a deficient number, since it is larger than the sum of its proper divisors (2638207).

76507133 is a wasteful number, since it uses less digits than its factorization.

76507133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638206.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 76507133 is about 8746.8355992324. The cubic root of 76507133 is about 424.5224310348.

The spelling of 76507133 in words is "seventy-six million, five hundred seven thousand, one hundred thirty-three".