630420371 has 8 divisors (see below), whose sum is σ = 743721984. Its totient is φ = 522929160.

The previous prime is 630420359. The next prime is 630420383. The reversal of 630420371 is 173024036.

It is an interprime number because it is at equal distance from previous prime (630420359) and next prime (630420383).

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 630420371 - 2²² = 626226067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630420371.

It is not an unprimeable number, because it can be changed into a prime (630420311) 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, 1452365 + ... + 1452798.

It is an arithmetic number, because the mean of its divisors is an integer number (92965248).

Almost surely, 2^630420371 is an apocalyptic number.

630420371 is a deficient number, since it is larger than the sum of its proper divisors (113301613).

630420371 is a wasteful number, since it uses less digits than its factorization.

630420371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905201.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 630420371 is about 25108.1733903524. The cubic root of 630420371 is about 857.4525167575.

The spelling of 630420371 in words is "six hundred thirty million, four hundred twenty thousand, three hundred seventy-one".