1492903872 has 280 divisors, whose sum is σ = 4868265600. Its totient is φ = 450261504.

The previous prime is 1492903871. The next prime is 1492903877. The reversal of 1492903872 is 2783092941.

1492903872 is a `hidden beast` number, since 1 + 492 + 90 + 3 + 8 + 72 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492903871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2265079 + ... + 2265737.

Almost surely, 2^1492903872 is an apocalyptic number.

1492903872 is a gapful number since it is divisible by the number (12) 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 1492903872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434132800).

1492903872 is an abundant number, since it is smaller than the sum of its proper divisors (3375361728).

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

1492903872 is a wasteful number, since it uses less digits than its factorization.

1492903872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1492903872 is about 38638.1142396986. The cubic root of 1492903872 is about 1142.9062687930.

The spelling of 1492903872 in words is "one billion, four hundred ninety-two million, nine hundred three thousand, eight hundred seventy-two".