74645451954 has 24 divisors (see below), whose sum is σ = 162724038672. Its totient is φ = 24729167160.

The previous prime is 74645451953. The next prime is 74645451967. The reversal of 74645451954 is 45915454647.

74645451954 is a `hidden beast` number, since 7 + 4 + 6 + 4 + 545 + 1 + 95 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 74645451954.

It is not an unprimeable number, because it can be changed into a prime (74645451953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12717832 + ... + 12723699.

It is an arithmetic number, because the mean of its divisors is an integer number (6780168278).

Almost surely, 2^74645451954 is an apocalyptic number.

74645451954 is an abundant number, since it is smaller than the sum of its proper divisors (88078586718).

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

74645451954 is a wasteful number, since it uses less digits than its factorization.

74645451954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441702 (or 25441699 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 74645451954 in words is "seventy-four billion, six hundred forty-five million, four hundred fifty-one thousand, nine hundred fifty-four".