78324045 has 8 divisors (see below), whose sum is σ = 125318496. Its totient is φ = 41772816.

The previous prime is 78324031. The next prime is 78324047. The reversal of 78324045 is 54042387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78324045 - 2⁵ = 78324013 is a prime.

It is a super-2 number, since 2×78324045² = 12269312050324050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78323997 and 78324015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78324047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610787 + ... + 2610816.

It is an arithmetic number, because the mean of its divisors is an integer number (15664812).

Almost surely, 2^78324045 is an apocalyptic number.

It is an amenable number.

78324045 is a deficient number, since it is larger than the sum of its proper divisors (46994451).

78324045 is a wasteful number, since it uses less digits than its factorization.

78324045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221611.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 78324045 is about 8850.0872877051. The cubic root of 78324045 is about 427.8567317521.

The spelling of 78324045 in words is "seventy-eight million, three hundred twenty-four thousand, forty-five".