620732254 has 16 divisors (see below), whose sum is σ = 987253488. Its totient is φ = 291699072.

The previous prime is 620732227. The next prime is 620732293. The reversal of 620732254 is 452237026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12469 + ... + 37375.

It is an arithmetic number, because the mean of its divisors is an integer number (61703343).

Almost surely, 2^620732254 is an apocalyptic number.

620732254 is a deficient number, since it is larger than the sum of its proper divisors (366521234).

620732254 is a wasteful number, since it uses less digits than its factorization.

620732254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25659.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 620732254 is about 24914.4988711393. The cubic root of 620732254 is about 853.0374621574.

The spelling of 620732254 in words is "six hundred twenty million, seven hundred thirty-two thousand, two hundred fifty-four".