76531501 has 4 divisors (see below), whose sum is σ = 81033372. Its totient is φ = 72029632.

The previous prime is 76531489. The next prime is 76531519. The reversal of 76531501 is 10513567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10513567 = 1093 ⋅9619.

It can be written as a sum of positive squares in 2 ways, for example, as 69322276 + 7209225 = 8326^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 76531501 - 2⁹ = 76530989 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 76531501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76531801) 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, 2250910 + ... + 2250943.

It is an arithmetic number, because the mean of its divisors is an integer number (20258343).

Almost surely, 2^76531501 is an apocalyptic number.

It is an amenable number.

76531501 is a deficient number, since it is larger than the sum of its proper divisors (4501871).

76531501 is a wasteful number, since it uses less digits than its factorization.

76531501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501870.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 76531501 is about 8748.2284492347. The cubic root of 76531501 is about 424.5674972663.

The spelling of 76531501 in words is "seventy-six million, five hundred thirty-one thousand, five hundred one".