78410430 has 80 divisors (see below), whose sum is σ = 240973920. Its totient is φ = 17921088.

The previous prime is 78410419. The next prime is 78410459. The reversal of 78410430 is 3401487.

It is a super-2 number, since 2×78410430² = 12296391065569800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 78410394 and 78410403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1245 + ... + 12584.

It is an arithmetic number, because the mean of its divisors is an integer number (3012174).

Almost surely, 2^78410430 is an apocalyptic number.

78410430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 78410430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120486960).

78410430 is an abundant number, since it is smaller than the sum of its proper divisors (162563490).

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

78410430 is a wasteful number, since it uses less digits than its factorization.

78410430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855 (or 13846 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 78410430 is about 8854.9664030983. The cubic root of 78410430 is about 428.0139709243.

The spelling of 78410430 in words is "seventy-eight million, four hundred ten thousand, four hundred thirty".