76769251 has 8 divisors (see below), whose sum is σ = 83184080. Its totient is φ = 70427232.

The previous prime is 76769243. The next prime is 76769257. The reversal of 76769251 is 15296767.

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 76769251 - 2³ = 76769243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76769198 and 76769207.

It is not an unprimeable number, because it can be changed into a prime (76769257) 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, 15996 + ... + 20233.

It is an arithmetic number, because the mean of its divisors is an integer number (10398010).

Almost surely, 2^76769251 is an apocalyptic number.

76769251 is a deficient number, since it is larger than the sum of its proper divisors (6414829).

76769251 is a wasteful number, since it uses less digits than its factorization.

76769251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36405.

The product of its digits is 158760, while the sum is 43.

The square root of 76769251 is about 8761.8063776826. The cubic root of 76769251 is about 425.0066914748.

The spelling of 76769251 in words is "seventy-six million, seven hundred sixty-nine thousand, two hundred fifty-one".