19672975 has 24 divisors (see below), whose sum is σ = 28252160. Its totient is φ = 13309920.

The previous prime is 19672969. The next prime is 19672979. The reversal of 19672975 is 57927691.

It is a happy number.

It is not a de Polignac number, because 19672975 - 2¹⁷ = 19541903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19672979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13114 + ... + 14536.

Almost surely, 2^19672975 is an apocalyptic number.

19672975 is a deficient number, since it is larger than the sum of its proper divisors (8579185).

19672975 is a wasteful number, since it uses less digits than its factorization.

19672975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1514 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 19672975 is about 4435.4227532446. The cubic root of 19672975 is about 269.9541531666.

The spelling of 19672975 in words is "nineteen million, six hundred seventy-two thousand, nine hundred seventy-five".