621070473 has 8 divisors (see below), whose sum is σ = 828423936. Its totient is φ = 413882000.

The previous prime is 621070453. The next prime is 621070481. The reversal of 621070473 is 374070126.

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 621070473 - 2⁸ = 621070217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 621070473.

It is not an unprimeable number, because it can be changed into a prime (621070433) 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, 32178 + ... + 47723.

It is an arithmetic number, because the mean of its divisors is an integer number (103552992).

Almost surely, 2^621070473 is an apocalyptic number.

It is an amenable number.

621070473 is a deficient number, since it is larger than the sum of its proper divisors (207353463).

621070473 is a wasteful number, since it uses less digits than its factorization.

621070473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82495.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 621070473 is about 24921.2855406779. The cubic root of 621070473 is about 853.1923658165.

The spelling of 621070473 in words is "six hundred twenty-one million, seventy thousand, four hundred seventy-three".