74961018 has 64 divisors (see below), whose sum is σ = 183738240. Its totient is φ = 22464000.

The previous prime is 74961017. The next prime is 74961077. The reversal of 74961018 is 81016947.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74961011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56968 + ... + 58268.

It is an arithmetic number, because the mean of its divisors is an integer number (2870910).

Almost surely, 2^74961018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74961018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91869120).

74961018 is an abundant number, since it is smaller than the sum of its proper divisors (108777222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74961018 is a wasteful number, since it uses less digits than its factorization.

74961018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 74961018 is about 8658.0031185026. The cubic root of 74961018 is about 421.6432562283.

The spelling of 74961018 in words is "seventy-four million, nine hundred sixty-one thousand, eighteen".