76400923 has 4 divisors (see below), whose sum is σ = 76528648. Its totient is φ = 76273200.

The previous prime is 76400921. The next prime is 76400939. The reversal of 76400923 is 32900467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32900467 = 107 ⋅307481.

It is a cyclic number.

It is not a de Polignac number, because 76400923 - 2¹ = 76400921 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (76400921) 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 3 ways as a sum of consecutive naturals, for example, 62961 + ... + 64162.

It is an arithmetic number, because the mean of its divisors is an integer number (19132162).

Almost surely, 2^76400923 is an apocalyptic number.

76400923 is a deficient number, since it is larger than the sum of its proper divisors (127725).

76400923 is a wasteful number, since it uses less digits than its factorization.

76400923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127724.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 76400923 is about 8740.7621521238. The cubic root of 76400923 is about 424.3258942055.

The spelling of 76400923 in words is "seventy-six million, four hundred thousand, nine hundred twenty-three".