1492992720 has 60 divisors (see below), whose sum is σ = 5013969636. Its totient is φ = 398131200.

The previous prime is 1492992713. The next prime is 1492992731. The reversal of 1492992720 is 272992941.

1492992720 is a `hidden beast` number, since 1 + 492 + 9 + 92 + 72 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1193564304 + 299428416 = 34548^2 + 17304^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036081 + ... + 1037520.

It is the magic constant of a 1440 × 1440 magic square.

Almost surely, 2^1492992720 is an apocalyptic number.

1492992720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492992720 is an abundant number, since it is smaller than the sum of its proper divisors (3520976916).

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

1492992720 is a wasteful number, since it uses less digits than its factorization.

1492992720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073620 (or 2073611 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1492992720 is about 38639.2639681451. The cubic root of 1492992720 is about 1142.9289411440.

The spelling of 1492992720 in words is "one billion, four hundred ninety-two million, nine hundred ninety-two thousand, seven hundred twenty".