74148305 has 32 divisors (see below), whose sum is σ = 117469440. Its totient is φ = 43499520.

The previous prime is 74148293. The next prime is 74148307. The reversal of 74148305 is 50384147.

It is a de Polignac number, because none of the positive numbers 2^k-74148305 is a prime.

It is a super-2 number, since 2×74148305² = 10995942268746050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74148307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881 + ... + 12209.

It is an arithmetic number, because the mean of its divisors is an integer number (3670920).

Almost surely, 2^74148305 is an apocalyptic number.

It is an amenable number.

74148305 is a deficient number, since it is larger than the sum of its proper divisors (43321135).

74148305 is a wasteful number, since it uses less digits than its factorization.

74148305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369.

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

The square root of 74148305 is about 8610.9410054883. The cubic root of 74148305 is about 420.1139241220.

The spelling of 74148305 in words is "seventy-four million, one hundred forty-eight thousand, three hundred five".