621482074 has 8 divisors (see below), whose sum is σ = 932691348. Its totient is φ = 310584960.

The previous prime is 621482047. The next prime is 621482083. The reversal of 621482074 is 470284126.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 585398025 + 36084049 = 24195^2 + 6007^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72997 + ... + 81064.

Almost surely, 2^621482074 is an apocalyptic number.

621482074 is a deficient number, since it is larger than the sum of its proper divisors (311209274).

621482074 is a wasteful number, since it uses less digits than its factorization.

621482074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156080.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 621482074 is about 24929.5421939513. The cubic root of 621482074 is about 853.3808024470.

It can be divided in two parts, 6214 and 82074, that added together give a palindrome (88288).

The spelling of 621482074 in words is "six hundred twenty-one million, four hundred eighty-two thousand, seventy-four".