78055474 has 8 divisors (see below), whose sum is σ = 133809408. Its totient is φ = 33452340.

The previous prime is 78055463. The next prime is 78055487. The reversal of 78055474 is 47455087.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787682 + ... + 2787709.

It is an arithmetic number, because the mean of its divisors is an integer number (16726176).

Almost surely, 2^78055474 is an apocalyptic number.

78055474 is a deficient number, since it is larger than the sum of its proper divisors (55753934).

78055474 is a wasteful number, since it uses less digits than its factorization.

78055474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575400.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 78055474 is about 8834.9009049338. The cubic root of 78055474 is about 427.3671353918.

The spelling of 78055474 in words is "seventy-eight million, fifty-five thousand, four hundred seventy-four".