76708406 has 4 divisors (see below), whose sum is σ = 115062612. Its totient is φ = 38354202.

The previous prime is 76708399. The next prime is 76708409. The reversal of 76708406 is 60480767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60480767 = 293 ⋅206419.

It is a self number, because there is not a number n which added to its sum of digits gives 76708406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76708409) 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 as a sum of consecutive naturals, namely, 19177100 + ... + 19177103.

It is an arithmetic number, because the mean of its divisors is an integer number (28765653).

Almost surely, 2^76708406 is an apocalyptic number.

76708406 is a deficient number, since it is larger than the sum of its proper divisors (38354206).

76708406 is a wasteful number, since it uses less digits than its factorization.

76708406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38354205.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 76708406 is about 8758.3335172851. Note that the first 3 decimals coincide. The cubic root of 76708406 is about 424.8943792897.

The spelling of 76708406 in words is "seventy-six million, seven hundred eight thousand, four hundred six".