74615512130 has 16 divisors (see below), whose sum is σ = 134312032440. Its totient is φ = 29845291392.

The previous prime is 74615512117. The next prime is 74615512163. The reversal of 74615512130 is 3121551647.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47466029689 + 27149482441 = 217867^2 + 164771^2 .

It is a super-3 number, since 3×74615512130³ (a number of 34 digits) contains 333 as substring.

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, 300662 + ... + 489518.

Almost surely, 2^74615512130 is an apocalyptic number.

74615512130 is a deficient number, since it is larger than the sum of its proper divisors (59696520310).

74615512130 is a wasteful number, since it uses less digits than its factorization.

74615512130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228373.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 74615512130 in words is "seventy-four billion, six hundred fifteen million, five hundred twelve thousand, one hundred thirty".