620273146 has 8 divisors (see below), whose sum is σ = 931819284. Its totient is φ = 309666720.

The previous prime is 620273041. The next prime is 620273179. The reversal of 620273146 is 641372026.

It can be written as a sum of positive squares in 2 ways, for example, as 491109921 + 129163225 = 22161^2 + 11365^2 .

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

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, 233275 + ... + 235918.

Almost surely, 2^620273146 is an apocalyptic number.

620273146 is a deficient number, since it is larger than the sum of its proper divisors (311546138).

620273146 is a wasteful number, since it uses less digits than its factorization.

620273146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469856.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 620273146 is about 24905.2834956762. The cubic root of 620273146 is about 852.8271015095.

The spelling of 620273146 in words is "six hundred twenty million, two hundred seventy-three thousand, one hundred forty-six".