78494325 has 144 divisors (see below), whose sum is σ = 170989056. Its totient is φ = 31449600.

The previous prime is 78494309. The next prime is 78494341. The reversal of 78494325 is 52349487.

It is an interprime number because it is at equal distance from previous prime (78494309) and next prime (78494341).

It is not a de Polignac number, because 78494325 - 2⁴ = 78494309 is a prime.

It is a super-2 number, since 2×78494325² = 12322718114411250, which contains 22 as substring.

Its product of digits (241920) is a multiple of the sum of its prime divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1480999 + ... + 1481051.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 2^78494325 is an apocalyptic number.

78494325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78494325 is an abundant number, since it is smaller than the sum of its proper divisors (92494731).

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

78494325 is a wasteful number, since it uses less digits than its factorization.

78494325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 112 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 78494325 is about 8859.7023087686. The cubic root of 78494325 is about 428.1665672607.

The spelling of 78494325 in words is "seventy-eight million, four hundred ninety-four thousand, three hundred twenty-five".