76813147 has 8 divisors (see below), whose sum is σ = 79085600. Its totient is φ = 74551104.

The previous prime is 76813129. The next prime is 76813151. The reversal of 76813147 is 74131867.

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 76813147 - 2¹⁹ = 76288859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76813117) 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, 13879 + ... + 18607.

It is an arithmetic number, because the mean of its divisors is an integer number (9885700).

Almost surely, 2^76813147 is an apocalyptic number.

76813147 is a deficient number, since it is larger than the sum of its proper divisors (2272453).

76813147 is a wasteful number, since it uses less digits than its factorization.

76813147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205.

The product of its digits is 28224, while the sum is 37.

The square root of 76813147 is about 8764.3109826158. The cubic root of 76813147 is about 425.0876811020.

The spelling of 76813147 in words is "seventy-six million, eight hundred thirteen thousand, one hundred forty-seven".