74489310 has 192 divisors, whose sum is σ = 239616000. Its totient is φ = 16003008.

The previous prime is 74489309. The next prime is 74489323. The reversal of 74489310 is 1398447.

It is a happy number.

It is a super-2 number, since 2×74489310² = 11097314608552200, which contains 22 as substring.

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, 586467 + ... + 586593.

It is an arithmetic number, because the mean of its divisors is an integer number (1248000).

Almost surely, 2^74489310 is an apocalyptic number.

74489310 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74489310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119808000).

74489310 is an abundant number, since it is smaller than the sum of its proper divisors (165126690).

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

74489310 is a wasteful number, since it uses less digits than its factorization.

74489310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 74489310 is about 8630.7189735271. The cubic root of 74489310 is about 420.7569682259.

The spelling of 74489310 in words is "seventy-four million, four hundred eighty-nine thousand, three hundred ten".