74111089920 has 864 divisors, whose sum is σ = 296172656640. Its totient is φ = 15427584000.

The previous prime is 74111089891. The next prime is 74111089931. The reversal of 74111089920 is 2998011147.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 490801845 + ... + 490801995.

Almost surely, 2^74111089920 is an apocalyptic number.

74111089920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74111089920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148086328320).

74111089920 is an abundant number, since it is smaller than the sum of its proper divisors (222061566720).

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

74111089920 is a wasteful number, since it uses less digits than its factorization.

74111089920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 74111089920 in words is "seventy-four billion, one hundred eleven million, eighty-nine thousand, nine hundred twenty".