74855949 has 8 divisors (see below), whose sum is σ = 114066240. Its totient is φ = 42774816.

The previous prime is 74855929. The next prime is 74855969. The reversal of 74855949 is 94955847.

It is an interprime number because it is at equal distance from previous prime (74855929) and next prime (74855969).

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

It is not a de Polignac number, because 74855949 - 2⁷ = 74855821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74855929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782264 + ... + 1782305.

It is an arithmetic number, because the mean of its divisors is an integer number (14258280).

Almost surely, 2^74855949 is an apocalyptic number.

It is an amenable number.

74855949 is a deficient number, since it is larger than the sum of its proper divisors (39210291).

74855949 is a wasteful number, since it uses less digits than its factorization.

74855949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564579.

The product of its digits is 1814400, while the sum is 51.

The square root of 74855949 is about 8651.9332521697. The cubic root of 74855949 is about 421.4461655669.

The spelling of 74855949 in words is "seventy-four million, eight hundred fifty-five thousand, nine hundred forty-nine".