74621213452 has 12 divisors (see below), whose sum is σ = 130611583480. Its totient is φ = 37303618176.

The previous prime is 74621213399. The next prime is 74621213479. The reversal of 74621213452 is 25431212647.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723077 + ... + 1765852.

Almost surely, 2^74621213452 is an apocalyptic number.

It is an amenable number.

74621213452 is a deficient number, since it is larger than the sum of its proper divisors (55990370028).

74621213452 is a wasteful number, since it uses less digits than its factorization.

74621213452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494280 (or 3494278 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The spelling of 74621213452 in words is "seventy-four billion, six hundred twenty-one million, two hundred thirteen thousand, four hundred fifty-two".