19137072 has 40 divisors (see below), whose sum is σ = 49681840. Its totient is φ = 6347520.

The previous prime is 19137059. The next prime is 19137073. The reversal of 19137072 is 27073191.

It is not an unprimeable number, because it can be changed into a prime (19137073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10122 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (1242046).

Almost surely, 2^19137072 is an apocalyptic number.

19137072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19137072 is an abundant number, since it is smaller than the sum of its proper divisors (30544768).

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

19137072 is a wasteful number, since it uses less digits than its factorization.

19137072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 19137072 is about 4374.5939240117. The cubic root of 19137072 is about 267.4803176481.

The spelling of 19137072 in words is "nineteen million, one hundred thirty-seven thousand, seventy-two".