76409894 has 8 divisors (see below), whose sum is σ = 125034408. Its totient is φ = 34731760.

The previous prime is 76409891. The next prime is 76409899. The reversal of 76409894 is 49890467.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76409891) 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, 1736567 + ... + 1736610.

It is an arithmetic number, because the mean of its divisors is an integer number (15629301).

Almost surely, 2^76409894 is an apocalyptic number.

76409894 is a deficient number, since it is larger than the sum of its proper divisors (48624514).

76409894 is a wasteful number, since it uses less digits than its factorization.

76409894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473190.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 76409894 is about 8741.2753074137. The cubic root of 76409894 is about 424.3425016777.

The spelling of 76409894 in words is "seventy-six million, four hundred nine thousand, eight hundred ninety-four".