620712152 has 8 divisors (see below), whose sum is σ = 1163835300. Its totient is φ = 310356072.

The previous prime is 620712137. The next prime is 620712193. The reversal of 620712152 is 251217026.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×620712152² = 770567151280942208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38794502 + ... + 38794517.

Almost surely, 2^620712152 is an apocalyptic number.

It is an amenable number.

620712152 is a deficient number, since it is larger than the sum of its proper divisors (543123148).

620712152 is a wasteful number, since it uses less digits than its factorization.

620712152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77589025 (or 77589021 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 620712152 is about 24914.0954481595. The cubic root of 620712152 is about 853.0282537082.

Adding to 620712152 its reverse (251217026), we get a palindrome (871929178).

The spelling of 620712152 in words is "six hundred twenty million, seven hundred twelve thousand, one hundred fifty-two".