76282993 has 4 divisors (see below), whose sum is σ = 76704628. Its totient is φ = 75861360.

The previous prime is 76282957. The next prime is 76283017. The reversal of 76282993 is 39928267.

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 14691889 + 61591104 = 3833^2 + 7848^2 .

It is a cyclic number.

It is not a de Polignac number, because 76282993 - 2²⁵ = 42728561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76280993) 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, 210546 + ... + 210907.

It is an arithmetic number, because the mean of its divisors is an integer number (19176157).

Almost surely, 2^76282993 is an apocalyptic number.

It is an amenable number.

76282993 is a deficient number, since it is larger than the sum of its proper divisors (421635).

76282993 is a wasteful number, since it uses less digits than its factorization.

76282993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421634.

The product of its digits is 326592, while the sum is 46.

The square root of 76282993 is about 8734.0135676561. The cubic root of 76282993 is about 424.1074565220.

The spelling of 76282993 in words is "seventy-six million, two hundred eighty-two thousand, nine hundred ninety-three".