76243733 has 8 divisors (see below), whose sum is σ = 77830200. Its totient is φ = 74662848.

The previous prime is 76243721. The next prime is 76243763. The reversal of 76243733 is 33734267.

It can be written as a sum of positive squares in 4 ways, for example, as 27899524 + 48344209 = 5282^2 + 6953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76243733 - 2²⁰ = 75195157 is a prime.

It is a super-4 number, since 4×76243733⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76243693 and 76243702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76243763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36563 + ... + 38591.

It is an arithmetic number, because the mean of its divisors is an integer number (9728775).

Almost surely, 2^76243733 is an apocalyptic number.

It is an amenable number.

76243733 is a deficient number, since it is larger than the sum of its proper divisors (1586467).

76243733 is a wasteful number, since it uses less digits than its factorization.

76243733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its digits is 63504, while the sum is 35.

The square root of 76243733 is about 8731.7657435366. The cubic root of 76243733 is about 424.0346866277.

The spelling of 76243733 in words is "seventy-six million, two hundred forty-three thousand, seven hundred thirty-three".