74854979454 has 16 divisors (see below), whose sum is σ = 149714008848. Its totient is φ = 24950984832.

The previous prime is 74854979453. The next prime is 74854979473. The reversal of 74854979454 is 45497945847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74854979453) 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, 105924 + ... + 401160.

It is an arithmetic number, because the mean of its divisors is an integer number (9357125553).

Almost surely, 2^74854979454 is an apocalyptic number.

74854979454 is an abundant number, since it is smaller than the sum of its proper divisors (74859029394).

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

74854979454 is a wasteful number, since it uses less digits than its factorization.

74854979454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337499.

The product of its digits is 203212800, while the sum is 66.

The spelling of 74854979454 in words is "seventy-four billion, eight hundred fifty-four million, nine hundred seventy-nine thousand, four hundred fifty-four".