19450074 has 32 divisors (see below), whose sum is σ = 47074176. Its totient is φ = 5230080.

The previous prime is 19450073. The next prime is 19450121. The reversal of 19450074 is 47005491.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19450073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12907 + ... + 14334.

It is an arithmetic number, because the mean of its divisors is an integer number (1471068).

Almost surely, 2^19450074 is an apocalyptic number.

19450074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19450074 is an abundant number, since it is smaller than the sum of its proper divisors (27624102).

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

19450074 is a wasteful number, since it uses less digits than its factorization.

19450074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27270.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 19450074 is about 4410.2238038449. The cubic root of 19450074 is about 268.9307229368.

The spelling of 19450074 in words is "nineteen million, four hundred fifty thousand, seventy-four".