620607762004 has 12 divisors (see below), whose sum is σ = 1086070078324. Its totient is φ = 310302025344.

The previous prime is 620607761981. The next prime is 620607762023. The reversal of 620607762004 is 400267706026.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91863548100 + 528744213904 = 303090^2 + 727148^2 .

It is a super-2 number, since 2×620607762004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520834 + ... + 1229830.

Almost surely, 2^620607762004 is an apocalyptic number.

It is an amenable number.

620607762004 is a deficient number, since it is larger than the sum of its proper divisors (465462316320).

620607762004 is a wasteful number, since it uses less digits than its factorization.

620607762004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927834 (or 927832 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 620607762004 in words is "six hundred twenty billion, six hundred seven million, seven hundred sixty-two thousand, four".