78674552 has 32 divisors (see below), whose sum is σ = 161568000. Its totient is φ = 35618400.

The previous prime is 78674551. The next prime is 78674581. The reversal of 78674552 is 25547687.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78674551) 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 7 ways as a sum of consecutive naturals, for example, 22199 + ... + 25497.

It is an arithmetic number, because the mean of its divisors is an integer number (5049000).

Almost surely, 2^78674552 is an apocalyptic number.

It is an amenable number.

78674552 is an abundant number, since it is smaller than the sum of its proper divisors (82893448).

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

78674552 is a wasteful number, since it uses less digits than its factorization.

78674552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587 (or 3583 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 78674552 is about 8869.8676427554. The cubic root of 78674552 is about 428.4940142500.

The spelling of 78674552 in words is "seventy-eight million, six hundred seventy-four thousand, five hundred fifty-two".