74337901890 has 64 divisors (see below), whose sum is σ = 203990123520. Its totient is φ = 16983864000.

The previous prime is 74337901861. The next prime is 74337901973. The reversal of 74337901890 is 9810973347.

It is a super-2 number, since 2×74337901890² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 394081 + ... + 551339.

It is an arithmetic number, because the mean of its divisors is an integer number (3187345680).

Almost surely, 2^74337901890 is an apocalyptic number.

74337901890 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74337901890 is an abundant number, since it is smaller than the sum of its proper divisors (129652221630).

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

74337901890 is a wasteful number, since it uses less digits than its factorization.

74337901890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159527.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 74337901890 in words is "seventy-four billion, three hundred thirty-seven million, nine hundred one thousand, eight hundred ninety".