2005274734 has 8 divisors (see below), whose sum is σ = 3138690960. Its totient is φ = 959044416.

The previous prime is 2005274731. The next prime is 2005274759. The reversal of 2005274734 is 4374725002.

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

It is a super-2 number, since 2×2005274734² = 8042253517637541512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005274734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005274731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21796419 + ... + 21796510.

It is an arithmetic number, because the mean of its divisors is an integer number (392336370).

Almost surely, 2^2005274734 is an apocalyptic number.

2005274734 is a deficient number, since it is larger than the sum of its proper divisors (1133416226).

2005274734 is a wasteful number, since it uses less digits than its factorization.

2005274734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43592954.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 2005274734 is about 44780.2940365514. The cubic root of 2005274734 is about 1261.0277023147.

Adding to 2005274734 its reverse (4374725002), we get a palindrome (6379999736).

The spelling of 2005274734 in words is "two billion, five million, two hundred seventy-four thousand, seven hundred thirty-four".