78014740 has 12 divisors (see below), whose sum is σ = 163830996. Its totient is φ = 31205888.

The previous prime is 78014731. The next prime is 78014743. The reversal of 78014740 is 4741087.

It can be written as a sum of positive squares in 2 ways, for example, as 8225424 + 69789316 = 2868^2 + 8354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78014743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950349 + ... + 1950388.

It is an arithmetic number, because the mean of its divisors is an integer number (13652583).

Almost surely, 2^78014740 is an apocalyptic number.

It is an amenable number.

78014740 is an abundant number, since it is smaller than the sum of its proper divisors (85816256).

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

78014740 is a wasteful number, since it uses less digits than its factorization.

78014740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900746 (or 3900744 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 78014740 is about 8832.5953150815. The cubic root of 78014740 is about 427.2927805725.

The spelling of 78014740 in words is "seventy-eight million, fourteen thousand, seven hundred forty".