76764357 has 6 divisors (see below), whose sum is σ = 110881862. Its totient is φ = 51176232.

The previous prime is 76764287. The next prime is 76764383. The reversal of 76764357 is 75346767.

It can be written as a sum of positive squares in only one way, i.e., 70459236 + 6305121 = 8394^2 + 2511^2 .

It is not a de Polignac number, because 76764357 - 2¹⁹ = 76240069 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 (76764397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4264678 + ... + 4264695.

Almost surely, 2^76764357 is an apocalyptic number.

It is an amenable number.

76764357 is a deficient number, since it is larger than the sum of its proper divisors (34117505).

76764357 is a wasteful number, since it uses less digits than its factorization.

76764357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529379 (or 8529376 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 76764357 is about 8761.5270929216. The cubic root of 76764357 is about 424.9976599640.

The spelling of 76764357 in words is "seventy-six million, seven hundred sixty-four thousand, three hundred fifty-seven".