74776274452 has 48 divisors (see below), whose sum is σ = 146777105664. Its totient is φ = 33037632000.

The previous prime is 74776274437. The next prime is 74776274473. The reversal of 74776274452 is 25447267747.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74776274393 and 74776274402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412408 + ... + 565360.

It is an arithmetic number, because the mean of its divisors is an integer number (3057856368).

Almost surely, 2^74776274452 is an apocalyptic number.

It is an amenable number.

74776274452 is a deficient number, since it is larger than the sum of its proper divisors (72000831212).

74776274452 is a wasteful number, since it uses less digits than its factorization.

74776274452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153280 (or 153278 counting only the distinct ones).

The product of its digits is 18439680, while the sum is 55.

The spelling of 74776274452 in words is "seventy-four billion, seven hundred seventy-six million, two hundred seventy-four thousand, four hundred fifty-two".