76398747 has 8 divisors (see below), whose sum is σ = 104618256. Its totient is φ = 49555872.

The previous prime is 76398743. The next prime is 76398797. The reversal of 76398747 is 74789367.

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

It is not a de Polignac number, because 76398747 - 2² = 76398743 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 76398747.

It is not an unprimeable number, because it can be changed into a prime (76398743) 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, 344028 + ... + 344249.

It is an arithmetic number, because the mean of its divisors is an integer number (13077282).

Almost surely, 2^76398747 is an apocalyptic number.

76398747 is a deficient number, since it is larger than the sum of its proper divisors (28219509).

76398747 is a wasteful number, since it uses less digits than its factorization.

76398747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688317.

The product of its digits is 1778112, while the sum is 51.

The square root of 76398747 is about 8740.6376769661. The cubic root of 76398747 is about 424.3218657118.

The spelling of 76398747 in words is "seventy-six million, three hundred ninety-eight thousand, seven hundred forty-seven".