1492977920 has 72 divisors (see below), whose sum is σ = 4087051584. Its totient is φ = 511875072.

The previous prime is 1492977919. The next prime is 1492977923. The reversal of 1492977920 is 297792941.

It is not an unprimeable number, because it can be changed into a prime (1492977923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74354 + ... + 92273.

Almost surely, 2^1492977920 is an apocalyptic number.

1492977920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492977920 is an abundant number, since it is smaller than the sum of its proper divisors (2594073664).

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

1492977920 is an equidigital number, since it uses as much as digits as its factorization.

1492977920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166655 (or 166641 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 1492977920 is about 38639.0724526353. The cubic root of 1492977920 is about 1142.9251645228.

The spelling of 1492977920 in words is "one billion, four hundred ninety-two million, nine hundred seventy-seven thousand, nine hundred twenty".