620072693 has 8 divisors (see below), whose sum is σ = 642320280. Its totient is φ = 597882880.

The previous prime is 620072641. The next prime is 620072711. The reversal of 620072693 is 396270026.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66552964 + 553519729 = 8158^2 + 23527^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 620072693 - 2¹² = 620068597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620072623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8021 + ... + 36117.

It is an arithmetic number, because the mean of its divisors is an integer number (80290035).

Almost surely, 2^620072693 is an apocalyptic number.

It is an amenable number.

620072693 is a deficient number, since it is larger than the sum of its proper divisors (22247587).

620072693 is a wasteful number, since it uses less digits than its factorization.

620072693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28887.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 620072693 is about 24901.2588637603. The cubic root of 620072693 is about 852.7352225415.

The spelling of 620072693 in words is "six hundred twenty million, seventy-two thousand, six hundred ninety-three".