74221025013 has 24 divisors (see below), whose sum is σ = 110135537408. Its totient is φ = 48130306272.

The previous prime is 74221025009. The next prime is 74221025029. The reversal of 74221025013 is 31052012247.

It is not a de Polignac number, because 74221025013 - 2² = 74221025009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74221025063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1284756 + ... + 1341282.

Almost surely, 2^74221025013 is an apocalyptic number.

It is an amenable number.

74221025013 is a deficient number, since it is larger than the sum of its proper divisors (35914512395).

74221025013 is a wasteful number, since it uses less digits than its factorization.

74221025013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60513 (or 60510 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 74221025013 in words is "seventy-four billion, two hundred twenty-one million, twenty-five thousand, thirteen".