74733487690 has 8 divisors (see below), whose sum is σ = 134520277860. Its totient is φ = 29893395072.

The previous prime is 74733487651. The next prime is 74733487727. The reversal of 74733487690 is 9678433747.

It can be written as a sum of positive squares in 2 ways, for example, as 74732797129 + 690561 = 273373^2 + 831^2 .

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

It is a super-2 number, since 2×74733487690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 3736674375 + ... + 3736674394.

Almost surely, 2^74733487690 is an apocalyptic number.

74733487690 is a deficient number, since it is larger than the sum of its proper divisors (59786790170).

74733487690 is a wasteful number, since it uses less digits than its factorization.

74733487690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473348776.

The product of its (nonzero) digits is 21337344, while the sum is 58.

The spelling of 74733487690 in words is "seventy-four billion, seven hundred thirty-three million, four hundred eighty-seven thousand, six hundred ninety".