620063743 has 4 divisors (see below), whose sum is σ = 667760968. Its totient is φ = 572366520.

The previous prime is 620063711. The next prime is 620063747. The reversal of 620063743 is 347360026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620063743 - 2⁵ = 620063711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620063747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23848593 + ... + 23848618.

It is an arithmetic number, because the mean of its divisors is an integer number (166940242).

Almost surely, 2^620063743 is an apocalyptic number.

620063743 is a deficient number, since it is larger than the sum of its proper divisors (47697225).

620063743 is a wasteful number, since it uses less digits than its factorization.

620063743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47697224.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 620063743 is about 24901.0791533218. The cubic root of 620063743 is about 852.7311197876.

The spelling of 620063743 in words is "six hundred twenty million, sixty-three thousand, seven hundred forty-three".