620702104 has 64 divisors (see below), whose sum is σ = 1335502080. Its totient is φ = 267696000.

The previous prime is 620702101. The next prime is 620702129. The reversal of 620702104 is 401207026.

It is a super-2 number, since 2×620702104² = 770542203820053632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620702101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263974 + ... + 266314.

It is an arithmetic number, because the mean of its divisors is an integer number (20867220).

Almost surely, 2^620702104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620702104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667751040).

620702104 is an abundant number, since it is smaller than the sum of its proper divisors (714799976).

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

620702104 is a wasteful number, since it uses less digits than its factorization.

620702104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 620702104 is about 24913.8937944272. The cubic root of 620702104 is about 853.0236507834.

The spelling of 620702104 in words is "six hundred twenty million, seven hundred two thousand, one hundred four".