78454076 has 24 divisors (see below), whose sum is σ = 138843264. Its totient is φ = 38787840.

The previous prime is 78454063. The next prime is 78454091. The reversal of 78454076 is 67045487.

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, 250496 + ... + 250808.

It is an arithmetic number, because the mean of its divisors is an integer number (5785136).

Almost surely, 2^78454076 is an apocalyptic number.

It is an amenable number.

78454076 is a deficient number, since it is larger than the sum of its proper divisors (60389188).

78454076 is a wasteful number, since it uses less digits than its factorization.

78454076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 78454076 is about 8857.4305529313. The cubic root of 78454076 is about 428.0933720646.

The spelling of 78454076 in words is "seventy-eight million, four hundred fifty-four thousand, seventy-six".