1913072 has 80 divisors (see below), whose sum is σ = 4761600. Its totient is φ = 725760.

The previous prime is 1913069. The next prime is 1913081. The reversal of 1913072 is 2703191.

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, 61697 + ... + 61727.

It is an arithmetic number, because the mean of its divisors is an integer number (59520).

2^1913072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2380800).

1913072 is an abundant number, since it is smaller than the sum of its proper divisors (2848528).

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

1913072 is a wasteful number, since it uses less digits than its factorization.

1913072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1913072 is about 1383.1384601695. The cubic root of 1913072 is about 124.1396276624.

The spelling of 1913072 in words is "one million, nine hundred thirteen thousand, seventy-two".