1492740 has 36 divisors (see below), whose sum is σ = 4528524. Its totient is φ = 398016.

The previous prime is 1492739. The next prime is 1492747. The reversal of 1492740 is 472941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 1065024 = 654^2 + 1032^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1492747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3967 + ... + 4326.

2^1492740 is an apocalyptic number.

1492740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492740 is an abundant number, since it is smaller than the sum of its proper divisors (3035784).

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

1492740 is a wasteful number, since it uses less digits than its factorization.

1492740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1492740 is about 1221.7773937997. Note that the first 3 decimals coincide. The cubic root of 1492740 is about 114.2864449358.

The spelling of 1492740 in words is "one million, four hundred ninety-two thousand, seven hundred forty".