76391448 has 32 divisors (see below), whose sum is σ = 218261760. Its totient is φ = 21826080.

The previous prime is 76391401. The next prime is 76391467. The reversal of 76391448 is 84419367.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227188 + ... + 227523.

It is an arithmetic number, because the mean of its divisors is an integer number (6820680).

Almost surely, 2^76391448 is an apocalyptic number.

It is an amenable number.

76391448 is an abundant number, since it is smaller than the sum of its proper divisors (141870312).

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

76391448 is a wasteful number, since it uses less digits than its factorization.

76391448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454727 (or 454723 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 76391448 is about 8740.2201345275. The cubic root of 76391448 is about 424.3083522967.

The spelling of 76391448 in words is "seventy-six million, three hundred ninety-one thousand, four hundred forty-eight".