630064457 has 8 divisors (see below), whose sum is σ = 688748832. Its totient is φ = 571614400.

The previous prime is 630064441. The next prime is 630064459. The reversal of 630064457 is 754460036.

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

It is a cyclic number.

It is not a de Polignac number, because 630064457 - 2⁴ = 630064441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630064459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52928 + ... + 63729.

It is an arithmetic number, because the mean of its divisors is an integer number (86093604).

Almost surely, 2^630064457 is an apocalyptic number.

It is an amenable number.

630064457 is a deficient number, since it is larger than the sum of its proper divisors (58684375).

630064457 is a wasteful number, since it uses less digits than its factorization.

630064457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117159.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 630064457 is about 25101.0847773557. The cubic root of 630064457 is about 857.2911234933.

The spelling of 630064457 in words is "six hundred thirty million, sixty-four thousand, four hundred fifty-seven".