74022437378 has 6 divisors (see below), whose sum is σ = 111034233219. Its totient is φ = 37011026306.

The previous prime is 74022437351. The next prime is 74022437387. The reversal of 74022437378 is 87373422047.

It can be written as a sum of positive squares in only one way, i.e., 37011218689 + 37011218689 = 192383^2 + 192383^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=192383.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 288575 + ... + 480957.

Almost surely, 2^74022437378 is an apocalyptic number.

74022437378 is a deficient number, since it is larger than the sum of its proper divisors (37011795841).

74022437378 is an frugal number, since it uses more digits than its factorization.

74022437378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384768 (or 192385 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 74022437378 in words is "seventy-four billion, twenty-two million, four hundred thirty-seven thousand, three hundred seventy-eight".