19672002 has 24 divisors (see below), whose sum is σ = 48711936. Its totient is φ = 5620536.

The previous prime is 19671997. The next prime is 19672007. The reversal of 19672002 is 20027691.

It is an interprime number because it is at equal distance from previous prime (19671997) and next prime (19672007).

It is not an unprimeable number, because it can be changed into a prime (19672007) 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 11 ways as a sum of consecutive naturals, for example, 77938 + ... + 78189.

It is an arithmetic number, because the mean of its divisors is an integer number (2029664).

Almost surely, 2^19672002 is an apocalyptic number.

19672002 is an abundant number, since it is smaller than the sum of its proper divisors (29039934).

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

19672002 is a wasteful number, since it uses less digits than its factorization.

19672002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156142 (or 156139 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 19672002 is about 4435.3130667406. The cubic root of 19672002 is about 269.9497025650.

Adding to 19672002 its reverse (20027691), we get a palindrome (39699693).

It can be divided in two parts, 1967 and 2002, that added together give a square (3969 = 63²).

The spelling of 19672002 in words is "nineteen million, six hundred seventy-two thousand, two".