494721007 has 32 divisors (see below), whose sum is σ = 577290240. Its totient is φ = 419569920.

The previous prime is 494721001. The next prime is 494721011. The reversal of 494721007 is 700127494.

It is not a de Polignac number, because 494721007 - 2³ = 494720999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494721001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2859573 + ... + 2859745.

It is an arithmetic number, because the mean of its divisors is an integer number (18040320).

Almost surely, 2^494721007 is an apocalyptic number.

494721007 is a deficient number, since it is larger than the sum of its proper divisors (82569233).

494721007 is a wasteful number, since it uses less digits than its factorization.

494721007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 494721007 is about 22242.3246761664. The cubic root of 494721007 is about 790.8973443837.

The spelling of 494721007 in words is "four hundred ninety-four million, seven hundred twenty-one thousand, seven".