19674140 has 24 divisors (see below), whose sum is σ = 42018480. Its totient is φ = 7735808.

The previous prime is 19674113. The next prime is 19674163. The reversal of 19674140 is 4147691.

It is a junction number, because it is equal to n+sod(n) for n = 19674097 and 19674106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (1750770).

Almost surely, 2^19674140 is an apocalyptic number.

19674140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19674140 is an abundant number, since it is smaller than the sum of its proper divisors (22344340).

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

19674140 is a wasteful number, since it uses less digits than its factorization.

19674140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16741 (or 16739 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 19674140 is about 4435.5540803827. The cubic root of 19674140 is about 269.9594818028.

The spelling of 19674140 in words is "nineteen million, six hundred seventy-four thousand, one hundred forty".