76280933 has 4 divisors (see below), whose sum is σ = 78911340. Its totient is φ = 73650528.

The previous prime is 76280929. The next prime is 76280947. The reversal of 76280933 is 33908267.

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 62457409 + 13823524 = 7903^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 76280933 - 2² = 76280929 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76280983) 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, 1315160 + ... + 1315217.

It is an arithmetic number, because the mean of its divisors is an integer number (19727835).

Almost surely, 2^76280933 is an apocalyptic number.

It is an amenable number.

76280933 is a deficient number, since it is larger than the sum of its proper divisors (2630407).

76280933 is a wasteful number, since it uses less digits than its factorization.

76280933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630406.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 76280933 is about 8733.8956371141. The cubic root of 76280933 is about 424.1036388549.

The spelling of 76280933 in words is "seventy-six million, two hundred eighty thousand, nine hundred thirty-three".