78453410 has 48 divisors (see below), whose sum is σ = 169967160. Its totient is φ = 25966080.

The previous prime is 78453383. The next prime is 78453433. The reversal of 78453410 is 1435487.

It can be written as a sum of positive squares in 4 ways, for example, as 55995289 + 22458121 = 7483^2 + 4739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11450 + ... + 16970.

Almost surely, 2^78453410 is an apocalyptic number.

78453410 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78453410 is an abundant number, since it is smaller than the sum of its proper divisors (91513750).

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

78453410 is a wasteful number, since it uses less digits than its factorization.

78453410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5564 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 78453410 is about 8857.3929572984. The cubic root of 78453410 is about 428.0921606935.

Adding to 78453410 its reverse (1435487), we get a palindrome (79888897).

The spelling of 78453410 in words is "seventy-eight million, four hundred fifty-three thousand, four hundred ten".