74489850 has 36 divisors (see below), whose sum is σ = 200130606. Its totient is φ = 19863840.

The previous prime is 74489839. The next prime is 74489873. The reversal of 74489850 is 5898447.

It can be written as a sum of positive squares in 3 ways, for example, as 29452329 + 45037521 = 5427^2 + 6711^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 74489796 and 74489805.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82317 + ... + 83216.

Almost surely, 2^74489850 is an apocalyptic number.

74489850 is an abundant number, since it is smaller than the sum of its proper divisors (125640756).

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

74489850 is a wasteful number, since it uses less digits than its factorization.

74489850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165551 (or 165543 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 74489850 is about 8630.7502570750. The cubic root of 74489850 is about 420.7579849633.

The spelling of 74489850 in words is "seventy-four million, four hundred eighty-nine thousand, eight hundred fifty".