842994507 has 6 divisors (see below), whose sum is σ = 1124059732. Its totient is φ = 561962812.

The previous prime is 842994499. The next prime is 842994517. The reversal of 842994507 is 705499248.

It is not a de Polignac number, because 842994507 - 2³ = 842994499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842994517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41908 + ... + 58670.

Almost surely, 2^842994507 is an apocalyptic number.

842994507 is a deficient number, since it is larger than the sum of its proper divisors (281065225).

842994507 is an frugal number, since it uses more digits than its factorization.

842994507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33529 (or 16766 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 842994507 is about 29034.3676872771. The cubic root of 842994507 is about 944.6586701548.

Multiplying 842994507 by its sum of digits (48), we get a square (40463736336 = 201156²).

The spelling of 842994507 in words is "eight hundred forty-two million, nine hundred ninety-four thousand, five hundred seven".