1490742872 has 16 divisors (see below), whose sum is σ = 2847882240. Its totient is φ = 731307616.

The previous prime is 1490742863. The next prime is 1490742881. The reversal of 1490742872 is 2782470941.

It is an interprime number because it is at equal distance from previous prime (1490742863) and next prime (1490742881).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757528 + ... + 1758375.

It is an arithmetic number, because the mean of its divisors is an integer number (177992640).

Almost surely, 2^1490742872 is an apocalyptic number.

It is an amenable number.

1490742872 is a deficient number, since it is larger than the sum of its proper divisors (1357139368).

1490742872 is a wasteful number, since it uses less digits than its factorization.

1490742872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515962 (or 3515958 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 1490742872 is about 38610.1394972875. The cubic root of 1490742872 is about 1142.3545446995.

The spelling of 1490742872 in words is "one billion, four hundred ninety million, seven hundred forty-two thousand, eight hundred seventy-two".