620377746 has 16 divisors (see below), whose sum is σ = 1242729408. Its totient is φ = 206463600.

The previous prime is 620377733. The next prime is 620377763. The reversal of 620377746 is 647773026.

620377746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 620377698 and 620377707.

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, 78145 + ... + 85716.

It is an arithmetic number, because the mean of its divisors is an integer number (77670588).

Almost surely, 2^620377746 is an apocalyptic number.

620377746 is an abundant number, since it is smaller than the sum of its proper divisors (622351662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620377746 is a wasteful number, since it uses less digits than its factorization.

620377746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164497.

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 620377746 is about 24907.3833631717. The cubic root of 620377746 is about 852.8750377569.

The spelling of 620377746 in words is "six hundred twenty million, three hundred seventy-seven thousand, seven hundred forty-six".