621703034 has 8 divisors (see below), whose sum is σ = 943790400. Its totient is φ = 307106236.

The previous prime is 621702959. The next prime is 621703037. The reversal of 621703034 is 430307126.

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

It is a junction number, because it is equal to n+sod(n) for n = 621702994 and 621703012.

It is not an unprimeable number, because it can be changed into a prime (621703037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872434 + ... + 1872765.

It is an arithmetic number, because the mean of its divisors is an integer number (117973800).

Almost surely, 2^621703034 is an apocalyptic number.

621703034 is a deficient number, since it is larger than the sum of its proper divisors (322087366).

621703034 is a wasteful number, since it uses less digits than its factorization.

621703034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745284.

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

The square root of 621703034 is about 24933.9734899995. The cubic root of 621703034 is about 853.4819266721.

The spelling of 621703034 in words is "six hundred twenty-one million, seven hundred three thousand, thirty-four".