74723537122 has 8 divisors (see below), whose sum is σ = 120707252316. Its totient is φ = 34487786352.

The previous prime is 74723537107. The next prime is 74723537123. The reversal of 74723537122 is 22173532747.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61018386361 + 13705150761 = 247019^2 + 117069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74723537123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1436991073 + ... + 1436991124.

Almost surely, 2^74723537122 is an apocalyptic number.

74723537122 is a deficient number, since it is larger than the sum of its proper divisors (45983715194).

74723537122 is a wasteful number, since it uses less digits than its factorization.

74723537122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873982212.

The product of its digits is 493920, while the sum is 43.

The spelling of 74723537122 in words is "seventy-four billion, seven hundred twenty-three million, five hundred thirty-seven thousand, one hundred twenty-two".