74947022842993 has 16 divisors (see below), whose sum is σ = 91494781528320. Its totient is φ = 59926406593536.

The previous prime is 74947022842943. The next prime is 74947022842997. The reversal of 74947022842993 is 39924822074947.

It is not a de Polignac number, because 74947022842993 - 2⁹ = 74947022842481 is a prime.

It is a super-2 number, since 2×74947022842993² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74947022842997) 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 15 ways as a sum of consecutive naturals, for example, 2786742813 + ... + 2786769706.

It is an arithmetic number, because the mean of its divisors is an integer number (5718423845520).

Almost surely, 2^{74947022842993} is an apocalyptic number.

It is an amenable number.

74947022842993 is a deficient number, since it is larger than the sum of its proper divisors (16547758685327).

74947022842993 is a wasteful number, since it uses less digits than its factorization.

74947022842993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573512656.

The product of its (nonzero) digits is 438939648, while the sum is 70.

The spelling of 74947022842993 in words is "seventy-four trillion, nine hundred forty-seven billion, twenty-two million, eight hundred forty-two thousand, nine hundred ninety-three".