630792417 has 4 divisors (see below), whose sum is σ = 841056560. Its totient is φ = 420528276.

The previous prime is 630792403. The next prime is 630792439. The reversal of 630792417 is 714297036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 630792417 - 2⁶ = 630792353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630792517) 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, 105132067 + ... + 105132072.

It is an arithmetic number, because the mean of its divisors is an integer number (210264140).

Almost surely, 2^630792417 is an apocalyptic number.

It is an amenable number.

630792417 is a deficient number, since it is larger than the sum of its proper divisors (210264143).

630792417 is a wasteful number, since it uses less digits than its factorization.

630792417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210264142.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 630792417 is about 25115.5811599095. The cubic root of 630792417 is about 857.6211603371.

The spelling of 630792417 in words is "six hundred thirty million, seven hundred ninety-two thousand, four hundred seventeen".