74422021063 has 24 divisors (see below), whose sum is σ = 84634578000. Its totient is φ = 65045051136.

The previous prime is 74422021057. The next prime is 74422021087. The reversal of 74422021063 is 36012022447.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-74422021063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74422001063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11536863 + ... + 11543311.

It is an arithmetic number, because the mean of its divisors is an integer number (3526440750).

Almost surely, 2^74422021063 is an apocalyptic number.

74422021063 is a deficient number, since it is larger than the sum of its proper divisors (10212556937).

74422021063 is a wasteful number, since it uses less digits than its factorization.

74422021063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 74422021063 in words is "seventy-four billion, four hundred twenty-two million, twenty-one thousand, sixty-three".