945723490 has 8 divisors (see below), whose sum is σ = 1702302300. Its totient is φ = 378289392.

The previous prime is 945723469. The next prime is 945723491. The reversal of 945723490 is 94327549.

It can be written as a sum of positive squares in 2 ways, for example, as 933241401 + 12482089 = 30549^2 + 3533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (945723491) 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, 47286165 + ... + 47286184.

Almost surely, 2^945723490 is an apocalyptic number.

945723490 is a deficient number, since it is larger than the sum of its proper divisors (756578810).

945723490 is a wasteful number, since it uses less digits than its factorization.

945723490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94572356.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 945723490 is about 30752.6176121643. The cubic root of 945723490 is about 981.5702613181.

The spelling of 945723490 in words is "nine hundred forty-five million, seven hundred twenty-three thousand, four hundred ninety".