19672072 has 16 divisors (see below), whose sum is σ = 42154560. Its totient is φ = 8430864.

The previous prime is 19672039. The next prime is 19672091. The reversal of 19672072 is 27027691.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175588 + ... + 175699.

It is an arithmetic number, because the mean of its divisors is an integer number (2634660).

Almost surely, 2^19672072 is an apocalyptic number.

It is an amenable number.

19672072 is an abundant number, since it is smaller than the sum of its proper divisors (22482488).

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

19672072 is a wasteful number, since it uses less digits than its factorization.

19672072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351300 (or 351296 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 19672072 is about 4435.3209579466. The cubic root of 19672072 is about 269.9500227571.

The spelling of 19672072 in words is "nineteen million, six hundred seventy-two thousand, seventy-two".