74786438103 has 16 divisors (see below), whose sum is σ = 107483606496. Its totient is φ = 45980444160.

The previous prime is 74786438101. The next prime is 74786438107. The reversal of 74786438103 is 30183468747.

It is a happy number.

It is not a de Polignac number, because 74786438103 - 2¹ = 74786438101 is a prime.

It is a super-2 number, since 2×74786438103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74786438101) 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, 831238 + ... + 916803.

It is an arithmetic number, because the mean of its divisors is an integer number (6717725406).

Almost surely, 2^74786438103 is an apocalyptic number.

74786438103 is a deficient number, since it is larger than the sum of its proper divisors (32697168393).

74786438103 is a wasteful number, since it uses less digits than its factorization.

74786438103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749154.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 74786438103 in words is "seventy-four billion, seven hundred eighty-six million, four hundred thirty-eight thousand, one hundred three".