74955945 has 8 divisors (see below), whose sum is σ = 119929536. Its totient is φ = 39976496.

The previous prime is 74955899. The next prime is 74955949. The reversal of 74955945 is 54955947.

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

It is a cyclic number.

It is not a de Polignac number, because 74955945 - 2¹⁷ = 74824873 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74955894 and 74955903.

It is not an unprimeable number, because it can be changed into a prime (74955949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498517 + ... + 2498546.

It is an arithmetic number, because the mean of its divisors is an integer number (14991192).

Almost surely, 2^74955945 is an apocalyptic number.

It is an amenable number.

74955945 is a deficient number, since it is larger than the sum of its proper divisors (44973591).

74955945 is a wasteful number, since it uses less digits than its factorization.

74955945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997071.

The product of its digits is 1134000, while the sum is 48.

The square root of 74955945 is about 8657.7101476083. The cubic root of 74955945 is about 421.6337444201.

The spelling of 74955945 in words is "seventy-four million, nine hundred fifty-five thousand, nine hundred forty-five".