73690487923 has 4 divisors (see below), whose sum is σ = 79358987008. Its totient is φ = 68021988840.

The previous prime is 73690487921. The next prime is 73690487971. The reversal of 73690487923 is 32978409637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32978409637 = 43 ⋅766939759.

It is not a de Polignac number, because 73690487923 - 2¹ = 73690487921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73690487921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2834249523 + ... + 2834249548.

It is an arithmetic number, because the mean of its divisors is an integer number (19839746752).

Almost surely, 2^73690487923 is an apocalyptic number.

73690487923 is a deficient number, since it is larger than the sum of its proper divisors (5668499085).

73690487923 is a wasteful number, since it uses less digits than its factorization.

73690487923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668499084.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 73690487923 in words is "seventy-three billion, six hundred ninety million, four hundred eighty-seven thousand, nine hundred twenty-three".