19672036 has 6 divisors (see below), whose sum is σ = 34426070. Its totient is φ = 9836016.

The previous prime is 19672013. The next prime is 19672039. The reversal of 19672036 is 63027691.

It can be written as a sum of positive squares in only one way, i.e., 15444900 + 4227136 = 3930^2 + 2056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19671992 and 19672010.

It is not an unprimeable number, because it can be changed into a prime (19672039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459001 + ... + 2459008.

Almost surely, 2^19672036 is an apocalyptic number.

It is an amenable number.

19672036 is a deficient number, since it is larger than the sum of its proper divisors (14754034).

19672036 is a wasteful number, since it uses less digits than its factorization.

19672036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918013 (or 4918011 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 19672036 is about 4435.3168996138. The cubic root of 19672036 is about 269.9498580869.

The spelling of 19672036 in words is "nineteen million, six hundred seventy-two thousand, thirty-six".