76454478 has 12 divisors (see below), whose sum is σ = 165651408. Its totient is φ = 25484820.

The previous prime is 76454467. The next prime is 76454479. The reversal of 76454478 is 87445467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76454479) 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 5 ways as a sum of consecutive naturals, for example, 2123718 + ... + 2123753.

It is an arithmetic number, because the mean of its divisors is an integer number (13804284).

Almost surely, 2^76454478 is an apocalyptic number.

76454478 is an abundant number, since it is smaller than the sum of its proper divisors (89196930).

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

76454478 is a wasteful number, since it uses less digits than its factorization.

76454478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247479 (or 4247476 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 76454478 is about 8743.8251354885. The cubic root of 76454478 is about 424.4250180756.

The spelling of 76454478 in words is "seventy-six million, four hundred fifty-four thousand, four hundred seventy-eight".