641473030 has 24 divisors (see below), whose sum is σ = 1269164736. Its totient is φ = 233262480.

The previous prime is 641472943. The next prime is 641473031. The reversal of 641473030 is 30374146.

It is a super-2 number, since 2×641473030² = 822975296434761800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641473030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641473031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263862 + ... + 266281.

It is an arithmetic number, because the mean of its divisors is an integer number (52881864).

Almost surely, 2^641473030 is an apocalyptic number.

641473030 is a deficient number, since it is larger than the sum of its proper divisors (627691706).

641473030 is a wasteful number, since it uses less digits than its factorization.

641473030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530172 (or 530161 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 641473030 is about 25327.3178603657. The cubic root of 641473030 is about 862.4345250304.

The spelling of 641473030 in words is "six hundred forty-one million, four hundred seventy-three thousand, thirty".