1364720 has 40 divisors (see below), whose sum is σ = 3627744. Its totient is φ = 467712.

The previous prime is 1364719. The next prime is 1364731. The reversal of 1364720 is 274631.

1364720 = T₄₀₅ + T₄₀₆ + ... + T₄₂₀.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659 + ... + 1778.

2^1364720 is an apocalyptic number.

1364720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364720 is an abundant number, since it is smaller than the sum of its proper divisors (2263024).

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

1364720 is a wasteful number, since it uses less digits than its factorization.

1364720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1364720 is about 1168.2123094712. The cubic root of 1364720 is about 110.9211896275.

The spelling of 1364720 in words is "one million, three hundred sixty-four thousand, seven hundred twenty".