74491955 has 4 divisors (see below), whose sum is σ = 89390352. Its totient is φ = 59593560.

The previous prime is 74491927. The next prime is 74491979. The reversal of 74491955 is 55919447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55919447 = 443 ⋅126229.

It is not a de Polignac number, because 74491955 - 2⁸ = 74491699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7449191 + ... + 7449200.

It is an arithmetic number, because the mean of its divisors is an integer number (22347588).

Almost surely, 2^74491955 is an apocalyptic number.

74491955 is a deficient number, since it is larger than the sum of its proper divisors (14898397).

74491955 is a wasteful number, since it uses less digits than its factorization.

74491955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14898396.

The product of its digits is 226800, while the sum is 44.

The square root of 74491955 is about 8630.8722038969. The cubic root of 74491955 is about 420.7619483096.

The spelling of 74491955 in words is "seventy-four million, four hundred ninety-one thousand, nine hundred fifty-five".