74536949 has 4 divisors (see below), whose sum is σ = 75233664. Its totient is φ = 73840236.

The previous prime is 74536919. The next prime is 74536961. The reversal of 74536949 is 94963547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74536949 - 2²⁴ = 57759733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74536909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348197 + ... + 348410.

It is an arithmetic number, because the mean of its divisors is an integer number (18808416).

Almost surely, 2^74536949 is an apocalyptic number.

It is an amenable number.

74536949 is a deficient number, since it is larger than the sum of its proper divisors (696715).

74536949 is a wasteful number, since it uses less digits than its factorization.

74536949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696714.

The product of its digits is 816480, while the sum is 47.

The square root of 74536949 is about 8633.4783835949. The cubic root of 74536949 is about 420.8466462823.

The spelling of 74536949 in words is "seventy-four million, five hundred thirty-six thousand, nine hundred forty-nine".