620550376 has 8 divisors (see below), whose sum is σ = 1163531970. Its totient is φ = 310275184.

The previous prime is 620550361. The next prime is 620550389. The reversal of 620550376 is 673055026.

It can be written as a sum of positive squares in only one way, i.e., 618516900 + 2033476 = 24870^2 + 1426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38784391 + ... + 38784406.

Almost surely, 2^620550376 is an apocalyptic number.

It is an amenable number.

620550376 is a deficient number, since it is larger than the sum of its proper divisors (542981594).

620550376 is a wasteful number, since it uses less digits than its factorization.

620550376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77568803 (or 77568799 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 620550376 is about 24910.8485604164. The cubic root of 620550376 is about 852.9541391132.

The spelling of 620550376 in words is "six hundred twenty million, five hundred fifty thousand, three hundred seventy-six".