1974720 has 168 divisors, whose sum is σ = 7296912. Its totient is φ = 450560.

The previous prime is 1974719. The next prime is 1974743. The reversal of 1974720 is 274791.

1974720 = T₂₄₀ + T₂₄₁ + ... + T₂₉₄.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116152 + ... + 116168.

It is an arithmetic number, because the mean of its divisors is an integer number (43434).

2^1974720 is an apocalyptic number.

1974720 is a gapful number since it is divisible by the number (10) 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 1974720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3648456).

1974720 is an abundant number, since it is smaller than the sum of its proper divisors (5322192).

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

1974720 is a wasteful number, since it uses less digits than its factorization.

1974720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1974720 is about 1405.2473091951. The cubic root of 1974720 is about 125.4590057798.

The spelling of 1974720 in words is "one million, nine hundred seventy-four thousand, seven hundred twenty".