620274733 has 8 divisors (see below), whose sum is σ = 707281848. Its totient is φ = 538881024.

The previous prime is 620274727. The next prime is 620274737. The reversal of 620274733 is 337472026.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 248440644 + 371834089 = 15762^2 + 19283^2 .

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 620274733 - 2²⁵ = 586720301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620274737) 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, 1403116 + ... + 1403557.

It is an arithmetic number, because the mean of its divisors is an integer number (88410231).

Almost surely, 2^620274733 is an apocalyptic number.

It is an amenable number.

620274733 is a deficient number, since it is larger than the sum of its proper divisors (87007115).

620274733 is a wasteful number, since it uses less digits than its factorization.

620274733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806703.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 620274733 is about 24905.3153563652. The cubic root of 620274733 is about 852.8278288426.

The spelling of 620274733 in words is "six hundred twenty million, two hundred seventy-four thousand, seven hundred thirty-three".