76501 has 4 divisors (see below), whose sum is σ = 77292. Its totient is φ = 75712.

The previous prime is 76493. The next prime is 76507. The reversal of 76501 is 10567.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 40401 + 36100 = 201^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 76501 - 2³ = 76493 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76507) 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, 226 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (19323).

2⁷⁶⁵⁰¹ is an apocalyptic number.

76501 is the 226-th pentagonal number.

It is an amenable number.

76501 is a deficient number, since it is larger than the sum of its proper divisors (791).

76501 is a wasteful number, since it uses less digits than its factorization.

76501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 76501 is about 276.5881414667. The cubic root of 76501 is about 42.4511087144.

The spelling of 76501 in words is "seventy-six thousand, five hundred one".