74400386783 has 2 divisors, whose sum is σ = 74400386784. Its totient is φ = 74400386782.

The previous prime is 74400386737. The next prime is 74400386807. The reversal of 74400386783 is 38768300447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74400386783 - 2¹² = 74400382687 is a prime.

It is a super-3 number, since 3×74400386783³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74400380783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37200193391 + 37200193392.

It is an arithmetic number, because the mean of its divisors is an integer number (37200193392).

Almost surely, 2^74400386783 is an apocalyptic number.

74400386783 is a deficient number, since it is larger than the sum of its proper divisors (1).

74400386783 is an equidigital number, since it uses as much as digits as its factorization.

74400386783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 74400386783 in words is "seventy-four billion, four hundred million, three hundred eighty-six thousand, seven hundred eighty-three".