62820045 has 12 divisors (see below), whose sum is σ = 108888156. Its totient is φ = 33504000.

The previous prime is 62820041. The next prime is 62820047. The reversal of 62820045 is 54002826.

It can be written as a sum of positive squares in 2 ways, for example, as 44595684 + 18224361 = 6678^2 + 4269^2 .

It is not a de Polignac number, because 62820045 - 2² = 62820041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62820041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697956 + ... + 698045.

It is an arithmetic number, because the mean of its divisors is an integer number (9074013).

Almost surely, 2^62820045 is an apocalyptic number.

It is an amenable number.

62820045 is a deficient number, since it is larger than the sum of its proper divisors (46068111).

62820045 is a wasteful number, since it uses less digits than its factorization.

62820045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396012 (or 1396009 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 62820045 is about 7925.9097269651. The cubic root of 62820045 is about 397.5264963944.

The spelling of 62820045 in words is "sixty-two million, eight hundred twenty thousand, forty-five".