74849855 has 4 divisors (see below), whose sum is σ = 89819832. Its totient is φ = 59879880.

The previous prime is 74849837. The next prime is 74849869. The reversal of 74849855 is 55894847.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74849855 - 2¹⁶ = 74784319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7484981 + ... + 7484990.

It is an arithmetic number, because the mean of its divisors is an integer number (22454958).

Almost surely, 2^74849855 is an apocalyptic number.

74849855 is a deficient number, since it is larger than the sum of its proper divisors (14969977).

74849855 is a wasteful number, since it uses less digits than its factorization.

74849855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14969976.

The product of its digits is 1612800, while the sum is 50.

The square root of 74849855 is about 8651.5810693769. The cubic root of 74849855 is about 421.4347286552.

The spelling of 74849855 in words is "seventy-four million, eight hundred forty-nine thousand, eight hundred fifty-five".