621342010 has 64 divisors (see below), whose sum is σ = 1241920512. Its totient is φ = 222621696.

The previous prime is 621341969. The next prime is 621342013. The reversal of 621342010 is 10243126.

It is not an unprimeable number, because it can be changed into a prime (621342013) 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, 1434754 + ... + 1435186.

It is an arithmetic number, because the mean of its divisors is an integer number (19405008).

Almost surely, 2^621342010 is an apocalyptic number.

621342010 is a deficient number, since it is larger than the sum of its proper divisors (620578502).

621342010 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (621342009) it forms an eRAP, since the sums of their prime factors are consecutive (846 and 847).

621342010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 621342010 is about 24926.7328384608. The cubic root of 621342010 is about 853.3166885520.

Adding to 621342010 its reverse (10243126), we get a palindrome (631585136).

The spelling of 621342010 in words is "six hundred twenty-one million, three hundred forty-two thousand, ten".