849725740 has 12 divisors (see below), whose sum is σ = 1784424096. Its totient is φ = 339890288.

The previous prime is 849725719. The next prime is 849725749. The reversal of 849725740 is 47527948.

It is not an unprimeable number, because it can be changed into a prime (849725749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21243124 + ... + 21243163.

It is an arithmetic number, because the mean of its divisors is an integer number (148702008).

Almost surely, 2^849725740 is an apocalyptic number.

It is an amenable number.

849725740 is an abundant number, since it is smaller than the sum of its proper divisors (934698356).

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

849725740 is a wasteful number, since it uses less digits than its factorization.

849725740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42486296 (or 42486294 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 849725740 is about 29150.0555745611. The cubic root of 849725740 is about 947.1663447413.

The spelling of 849725740 in words is "eight hundred forty-nine million, seven hundred twenty-five thousand, seven hundred forty".