74541993 has 4 divisors (see below), whose sum is σ = 99389328. Its totient is φ = 49694660.

The previous prime is 74541983. The next prime is 74542003. The reversal of 74541993 is 39914547.

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 an interprime number because it is at equal distance from previous prime (74541983) and next prime (74542003).

It is a cyclic number.

It is not a de Polignac number, because 74541993 - 2¹⁴ = 74525609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74541983) 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, 12423663 + ... + 12423668.

It is an arithmetic number, because the mean of its divisors is an integer number (24847332).

Almost surely, 2^74541993 is an apocalyptic number.

It is an amenable number.

74541993 is a deficient number, since it is larger than the sum of its proper divisors (24847335).

74541993 is a wasteful number, since it uses less digits than its factorization.

74541993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24847334.

The product of its digits is 136080, while the sum is 42.

The square root of 74541993 is about 8633.7704972972. The cubic root of 74541993 is about 420.8561391251.

The spelling of 74541993 in words is "seventy-four million, five hundred forty-one thousand, nine hundred ninety-three".