76830270 has 32 divisors (see below), whose sum is σ = 201156480. Its totient is φ = 18625440.

The previous prime is 76830253. The next prime is 76830277. The reversal of 76830270 is 7203867.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76830277) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 116080 + ... + 116739.

It is an arithmetic number, because the mean of its divisors is an integer number (6286140).

Almost surely, 2^76830270 is an apocalyptic number.

76830270 is an abundant number, since it is smaller than the sum of its proper divisors (124326210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76830270 is a wasteful number, since it uses less digits than its factorization.

76830270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232840.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 76830270 is about 8765.2877876314. The cubic root of 76830270 is about 425.1192652594.

The spelling of 76830270 in words is "seventy-six million, eight hundred thirty thousand, two hundred seventy".