74751499680 has 1152 divisors, whose sum is σ = 309589620480. Its totient is φ = 14877327360.

The previous prime is 74751499673. The next prime is 74751499687. The reversal of 74751499680 is 8699415747.

It is an interprime number because it is at equal distance from previous prime (74751499673) and next prime (74751499687).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74751499687) 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 191 ways as a sum of consecutive naturals, for example, 1590457417 + ... + 1590457463.

It is an arithmetic number, because the mean of its divisors is an integer number (268740990).

Almost surely, 2^74751499680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74751499680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154794810240).

74751499680 is an abundant number, since it is smaller than the sum of its proper divisors (234838120800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74751499680 is a wasteful number, since it uses less digits than its factorization.

74751499680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 74751499680 in words is "seventy-four billion, seven hundred fifty-one million, four hundred ninety-nine thousand, six hundred eighty".