620682045 has 8 divisors (see below), whose sum is σ = 993091296. Its totient is φ = 331030416.

The previous prime is 620682011. The next prime is 620682059. The reversal of 620682045 is 540286026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620682045 - 2⁹ = 620681533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620681997 and 620682015.

It is a congruent number.

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, 20689387 + ... + 20689416.

It is an arithmetic number, because the mean of its divisors is an integer number (124136412).

Almost surely, 2^620682045 is an apocalyptic number.

It is an amenable number.

620682045 is a deficient number, since it is larger than the sum of its proper divisors (372409251).

620682045 is a wasteful number, since it uses less digits than its factorization.

620682045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41378811.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 620682045 is about 24913.4912246357. The cubic root of 620682045 is about 853.0144617346.

The spelling of 620682045 in words is "six hundred twenty million, six hundred eighty-two thousand, forty-five".