76949727 has 4 divisors (see below), whose sum is σ = 102599640. Its totient is φ = 51299816.

The previous prime is 76949699. The next prime is 76949767. The reversal of 76949727 is 72794967.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76949727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76949727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76949767) 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, 12824952 + ... + 12824957.

It is an arithmetic number, because the mean of its divisors is an integer number (25649910).

Almost surely, 2^76949727 is an apocalyptic number.

76949727 is a deficient number, since it is larger than the sum of its proper divisors (25649913).

76949727 is a wasteful number, since it uses less digits than its factorization.

76949727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25649912.

The product of its digits is 1333584, while the sum is 51.

The square root of 76949727 is about 8772.0993496426. The cubic root of 76949727 is about 425.3394787036.

The spelling of 76949727 in words is "seventy-six million, nine hundred forty-nine thousand, seven hundred twenty-seven".