74400699221015 has 16 divisors (see below), whose sum is σ = 91161852859008. Its totient is φ = 58271401284096.

The previous prime is 74400699220931. The next prime is 74400699221119. The reversal of 74400699221015 is 51012299600447.

It is a cyclic number.

It is not a de Polignac number, because 74400699221015 - 2⁴⁴ = 56808513176599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 303070994 + ... + 303316383.

It is an arithmetic number, because the mean of its divisors is an integer number (5697615803688).

Almost surely, 2^{74400699221015} is an apocalyptic number.

74400699221015 is a deficient number, since it is larger than the sum of its proper divisors (16761153637993).

74400699221015 is a wasteful number, since it uses less digits than its factorization.

74400699221015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606387898.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 74400699221015 in words is "seventy-four trillion, four hundred billion, six hundred ninety-nine million, two hundred twenty-one thousand, fifteen".