78114470 has 32 divisors (see below), whose sum is σ = 164118528. Its totient is φ = 26211168.

The previous prime is 78114467. The next prime is 78114503. The reversal of 78114470 is 7441187.

It is a super-2 number, since 2×78114470² = 12203740846761800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8582 + ... + 15161.

It is an arithmetic number, because the mean of its divisors is an integer number (5128704).

Almost surely, 2^78114470 is an apocalyptic number.

78114470 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78114470 is an abundant number, since it is smaller than the sum of its proper divisors (86004058).

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

78114470 is a wasteful number, since it uses less digits than its factorization.

78114470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23804.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 78114470 is about 8838.2390780064. The cubic root of 78114470 is about 427.4747793564.

It can be divided in two parts, 781 and 14470, that added together give a palindrome (15251).

The spelling of 78114470 in words is "seventy-eight million, one hundred fourteen thousand, four hundred seventy".