19470672 has 80 divisors (see below), whose sum is σ = 60204480. Its totient is φ = 5989248.

The previous prime is 19470667. The next prime is 19470709. The reversal of 19470672 is 27607491.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3883 + ... + 7349.

It is an arithmetic number, because the mean of its divisors is an integer number (752556).

Almost surely, 2^19470672 is an apocalyptic number.

19470672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19470672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30102240).

19470672 is an abundant number, since it is smaller than the sum of its proper divisors (40733808).

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

19470672 is a wasteful number, since it uses less digits than its factorization.

19470672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 19470672 is about 4412.5584415393. The cubic root of 19470672 is about 269.0256237021.

The spelling of 19470672 in words is "nineteen million, four hundred seventy thousand, six hundred seventy-two".