74980721438910 has 48 divisors (see below), whose sum is σ = 222799857991776. Its totient is φ = 17138450614464.

The previous prime is 74980721438893. The next prime is 74980721438921. The reversal of 74980721438910 is 1983412708947.

74980721438910 is a `hidden beast` number, since 7 + 4 + 98 + 0 + 7 + 21 + 438 + 91 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59508508449 + ... + 59508509708.

It is an arithmetic number, because the mean of its divisors is an integer number (4641663708162).

Almost surely, 2^{74980721438910} is an apocalyptic number.

74980721438910 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74980721438910 is an abundant number, since it is smaller than the sum of its proper divisors (147819136552866).

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

74980721438910 is a wasteful number, since it uses less digits than its factorization.

74980721438910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119017018177 (or 119017018174 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 74980721438910 in words is "seventy-four trillion, nine hundred eighty billion, seven hundred twenty-one million, four hundred thirty-eight thousand, nine hundred ten".