7401396673494 has 20 divisors (see below), whose sum is σ = 16584611065044. Its totient is φ = 2467132224444.

The previous prime is 7401396673481. The next prime is 7401396673519. The reversal of 7401396673494 is 4943766931047.

7401396673494 is a `hidden beast` number, since 7 + 4 + 0 + 13 + 9 + 66 + 73 + 494 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22843816732 + ... + 22843817055.

Almost surely, 2^{7401396673494} is an apocalyptic number.

7401396673494 is an abundant number, since it is smaller than the sum of its proper divisors (9183214391550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7401396673494 is a wasteful number, since it uses less digits than its factorization.

7401396673494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45687633801 (or 45687633792 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 63.

The spelling of 7401396673494 in words is "seven trillion, four hundred one billion, three hundred ninety-six million, six hundred seventy-three thousand, four hundred ninety-four".