74782345 has 8 divisors (see below), whose sum is σ = 97896960. Its totient is φ = 54387120.

The previous prime is 74782313. The next prime is 74782349. The reversal of 74782345 is 54328747.

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

It is not a de Polignac number, because 74782345 - 2⁵ = 74782313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74782298 and 74782307.

It is not an unprimeable number, because it can be changed into a prime (74782349) 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, 679785 + ... + 679894.

It is an arithmetic number, because the mean of its divisors is an integer number (12237120).

Almost surely, 2^74782345 is an apocalyptic number.

It is an amenable number.

74782345 is a deficient number, since it is larger than the sum of its proper divisors (23114615).

74782345 is a wasteful number, since it uses less digits than its factorization.

74782345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359695.

The product of its digits is 188160, while the sum is 40.

The square root of 74782345 is about 8647.6785902345. The cubic root of 74782345 is about 421.3079877438.

The spelling of 74782345 in words is "seventy-four million, seven hundred eighty-two thousand, three hundred forty-five".