76505533 has 16 divisors (see below), whose sum is σ = 87935680. Its totient is φ = 65971584.

The previous prime is 76505479. The next prime is 76505537. The reversal of 76505533 is 33550567.

It is a cyclic number.

It is not a de Polignac number, because 76505533 - 2⁹ = 76505021 is a prime.

It is a super-2 number, since 2×76505533² = 11706193159228178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76505537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15910 + ... + 20152.

It is an arithmetic number, because the mean of its divisors is an integer number (5495980).

Almost surely, 2^76505533 is an apocalyptic number.

76505533 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

76505533 is a deficient number, since it is larger than the sum of its proper divisors (11430147).

76505533 is a wasteful number, since it uses less digits than its factorization.

76505533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 76505533 is about 8746.7441371061. The cubic root of 76505533 is about 424.5194716566.

The spelling of 76505533 in words is "seventy-six million, five hundred five thousand, five hundred thirty-three".