19053972 has 36 divisors (see below), whose sum is σ = 55045536. Its totient is φ = 5443920.

The previous prime is 19053967. The next prime is 19053973. The reversal of 19053972 is 27935091.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19053973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37554 + ... + 38057.

Almost surely, 2^19053972 is an apocalyptic number.

19053972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19053972 is an abundant number, since it is smaller than the sum of its proper divisors (35991564).

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

19053972 is a wasteful number, since it uses less digits than its factorization.

19053972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75628 (or 75623 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 19053972 is about 4365.0855661716. The cubic root of 19053972 is about 267.0925908727.

The spelling of 19053972 in words is "nineteen million, fifty-three thousand, nine hundred seventy-two".