74557850 has 12 divisors (see below), whose sum is σ = 138677694. Its totient is φ = 29823120.

The previous prime is 74557831. The next prime is 74557877. The reversal of 74557850 is 5875547.

It can be written as a sum of positive squares in 3 ways, for example, as 34703881 + 39853969 = 5891^2 + 6313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74557798 and 74557807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745529 + ... + 745628.

Almost surely, 2^74557850 is an apocalyptic number.

74557850 is a deficient number, since it is larger than the sum of its proper divisors (64119844).

74557850 is a wasteful number, since it uses less digits than its factorization.

74557850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491169 (or 1491164 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 74557850 is about 8634.6887610382. The cubic root of 74557850 is about 420.8859793193.

The spelling of 74557850 in words is "seventy-four million, five hundred fifty-seven thousand, eight hundred fifty".