620656702 has 8 divisors (see below), whose sum is σ = 971462736. Its totient is φ = 296835792.

The previous prime is 620656697. The next prime is 620656709. The reversal of 620656702 is 207656026.

It is a happy number.

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

It is a super-3 number, since 3×620656702³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620656709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746223 + ... + 6746314.

It is an arithmetic number, because the mean of its divisors is an integer number (121432842).

Almost surely, 2^620656702 is an apocalyptic number.

620656702 is a deficient number, since it is larger than the sum of its proper divisors (350806034).

620656702 is a wasteful number, since it uses less digits than its factorization.

620656702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492562.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 620656702 is about 24912.9825994400. The cubic root of 620656702 is about 853.0028517969.

The spelling of 620656702 in words is "six hundred twenty million, six hundred fifty-six thousand, seven hundred two".