74855461 has 4 divisors (see below), whose sum is σ = 74873952. Its totient is φ = 74836972.

The previous prime is 74855447. The next prime is 74855491. The reversal of 74855461 is 16455847.

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 a de Polignac number, because none of the positive numbers 2^k-74855461 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74855401) 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, 265 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (18718488).

Almost surely, 2^74855461 is an apocalyptic number.

It is an amenable number.

74855461 is a deficient number, since it is larger than the sum of its proper divisors (18491).

74855461 is a wasteful number, since it uses less digits than its factorization.

74855461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18490.

The product of its digits is 134400, while the sum is 40.

The square root of 74855461 is about 8651.9050503343. The cubic root of 74855461 is about 421.4452497360.

The spelling of 74855461 in words is "seventy-four million, eight hundred fifty-five thousand, four hundred sixty-one".