74536263494 has 16 divisors (see below), whose sum is σ = 139392493056. Its totient is φ = 29040102600.

The previous prime is 74536263469. The next prime is 74536263517. The reversal of 74536263494 is 49436263547.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242000702 + ... + 242001009.

It is an arithmetic number, because the mean of its divisors is an integer number (8712030816).

Almost surely, 2^74536263494 is an apocalyptic number.

74536263494 is a deficient number, since it is larger than the sum of its proper divisors (64856229562).

74536263494 is a wasteful number, since it uses less digits than its factorization.

74536263494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484001731.

The product of its digits is 13063680, while the sum is 53.

Adding to 74536263494 its sum of digits (53), we get a palindrome (74536263547).

The spelling of 74536263494 in words is "seventy-four billion, five hundred thirty-six million, two hundred sixty-three thousand, four hundred ninety-four".