76506243 has 12 divisors (see below), whose sum is σ = 112125384. Its totient is φ = 46367200.

The previous prime is 76506229. The next prime is 76506247. The reversal of 76506243 is 34260567.

It is not a de Polignac number, because 76506243 - 2¹⁴ = 76489859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (76506247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105018 + ... + 105743.

It is an arithmetic number, because the mean of its divisors is an integer number (9343782).

Almost surely, 2^76506243 is an apocalyptic number.

76506243 is a deficient number, since it is larger than the sum of its proper divisors (35619141).

76506243 is a wasteful number, since it uses less digits than its factorization.

76506243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210786 (or 210775 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 76506243 is about 8746.7847235427. The cubic root of 76506243 is about 424.5207848857.

The spelling of 76506243 in words is "seventy-six million, five hundred six thousand, two hundred forty-three".