19740026 has 16 divisors (see below), whose sum is σ = 32716224. Its totient is φ = 8885184.

The previous prime is 19740023. The next prime is 19740067. The reversal of 19740026 is 62004791.

It is not an unprimeable number, because it can be changed into a prime (19740023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11840 + ... + 13403.

It is an arithmetic number, because the mean of its divisors is an integer number (2044764).

Almost surely, 2^19740026 is an apocalyptic number.

19740026 is a deficient number, since it is larger than the sum of its proper divisors (12976198).

19740026 is a wasteful number, since it uses less digits than its factorization.

19740026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 19740026 is about 4442.9749042730. The cubic root of 19740026 is about 270.2604984735.

The spelling of 19740026 in words is "nineteen million, seven hundred forty thousand, twenty-six".