78734010 has 16 divisors (see below), whose sum is σ = 188961696. Its totient is φ = 20995728.

The previous prime is 78734003. The next prime is 78734011. The reversal of 78734010 is 1043787.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2624467 = 78734010 / (7 + 8 + 7 + 3 + 4 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (78734011) 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, 1312204 + ... + 1312263.

It is an arithmetic number, because the mean of its divisors is an integer number (11810106).

Almost surely, 2^78734010 is an apocalyptic number.

78734010 is an abundant number, since it is smaller than the sum of its proper divisors (110227686).

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

78734010 is a wasteful number, since it uses less digits than its factorization.

78734010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624477.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 78734010 is about 8873.2186944761. The cubic root of 78734010 is about 428.6019313210.

Adding to 78734010 its reverse (1043787), we get a palindrome (79777797).

The spelling of 78734010 in words is "seventy-eight million, seven hundred thirty-four thousand, ten".