76440898 has 4 divisors (see below), whose sum is σ = 114661350. Its totient is φ = 38220448.

The previous prime is 76440883. The next prime is 76440899. The reversal of 76440898 is 89804467.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63888049 + 12552849 = 7993^2 + 3543^2 .

It is not an unprimeable number, because it can be changed into a prime (76440899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19110223 + ... + 19110226.

Almost surely, 2^76440898 is an apocalyptic number.

76440898 is a deficient number, since it is larger than the sum of its proper divisors (38220452).

76440898 is a wasteful number, since it uses less digits than its factorization.

76440898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38220451.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 76440898 is about 8743.0485529934. The cubic root of 76440898 is about 424.3998875091.

The spelling of 76440898 in words is "seventy-six million, four hundred forty thousand, eight hundred ninety-eight".