1620000274 has 16 divisors (see below), whose sum is σ = 2457554112. Its totient is φ = 800841168.

The previous prime is 1620000257. The next prime is 1620000281. The reversal of 1620000274 is 4720000261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128497 + ... + 140539.

It is an arithmetic number, because the mean of its divisors is an integer number (153597132).

Almost surely, 2^1620000274 is an apocalyptic number.

1620000274 is a deficient number, since it is larger than the sum of its proper divisors (837553838).

1620000274 is a wasteful number, since it uses less digits than its factorization.

1620000274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801.

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

The square root of 1620000274 is about 40249.2269987884. The cubic root of 1620000274 is about 1174.4603585651.

The spelling of 1620000274 in words is "one billion, six hundred twenty million, two hundred seventy-four", and thus it is an aban number.