620427796 has 6 divisors (see below), whose sum is σ = 1085748650. Its totient is φ = 310213896.

The previous prime is 620427791. The next prime is 620427851. The reversal of 620427796 is 697724026.

It can be written as a sum of positive squares in only one way, i.e., 568154896 + 52272900 = 23836^2 + 7230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620427791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77553471 + ... + 77553478.

Almost surely, 2^620427796 is an apocalyptic number.

It is an amenable number.

620427796 is a deficient number, since it is larger than the sum of its proper divisors (465320854).

620427796 is a wasteful number, since it uses less digits than its factorization.

620427796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155106953 (or 155106951 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 620427796 is about 24908.3880650676. The cubic root of 620427796 is about 852.8979728412.

The spelling of 620427796 in words is "six hundred twenty million, four hundred twenty-seven thousand, seven hundred ninety-six".