19950072 has 16 divisors (see below), whose sum is σ = 49875240. Its totient is φ = 6650016.

The previous prime is 19950041. The next prime is 19950079. The reversal of 19950072 is 27005991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19950079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415603 + ... + 415650.

Almost surely, 2^19950072 is an apocalyptic number.

19950072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19950072 is an abundant number, since it is smaller than the sum of its proper divisors (29925168).

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

19950072 is a wasteful number, since it uses less digits than its factorization.

19950072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831262 (or 831258 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 19950072 is about 4466.5503467441. The cubic root of 19950072 is about 271.2156977017.

The spelling of 19950072 in words is "nineteen million, nine hundred fifty thousand, seventy-two".