74579149 has 8 divisors (see below), whose sum is σ = 78248960. Its totient is φ = 70988400.

The previous prime is 74579147. The next prime is 74579207. The reversal of 74579149 is 94197547.

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

It is a cyclic number.

It is not a de Polignac number, because 74579149 - 2¹ = 74579147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74579099 and 74579108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74579143) 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, 17829 + ... + 21610.

It is an arithmetic number, because the mean of its divisors is an integer number (9781120).

Almost surely, 2^74579149 is an apocalyptic number.

It is an amenable number.

74579149 is a deficient number, since it is larger than the sum of its proper divisors (3669811).

74579149 is a wasteful number, since it uses less digits than its factorization.

74579149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39531.

The product of its digits is 317520, while the sum is 46.

The square root of 74579149 is about 8635.9220121537. The cubic root of 74579149 is about 420.9260537804.

The spelling of 74579149 in words is "seventy-four million, five hundred seventy-nine thousand, one hundred forty-nine".