76769638 has 8 divisors (see below), whose sum is σ = 125623080. Its totient is φ = 34895280.

The previous prime is 76769629. The next prime is 76769657. The reversal of 76769638 is 83696767.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744743 + ... + 1744786.

It is an arithmetic number, because the mean of its divisors is an integer number (15702885).

Almost surely, 2^76769638 is an apocalyptic number.

76769638 is a deficient number, since it is larger than the sum of its proper divisors (48853442).

76769638 is a wasteful number, since it uses less digits than its factorization.

76769638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489542.

The product of its digits is 2286144, while the sum is 52.

The square root of 76769638 is about 8761.8284621419. The cubic root of 76769638 is about 425.0074056380.

The spelling of 76769638 in words is "seventy-six million, seven hundred sixty-nine thousand, six hundred thirty-eight".