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1372740674 = 22161317617
BaseRepresentation
bin101000111010010…
…0101110001000010
310112200001110012012
41101310211301002
510302410200144
6344114332522
746006050254
oct12164456102
93480043165
101372740674
11644970428
1232388a142
1318b5260b6
14d0457cd4
15807ace9e
hex51d25c42

1372740674 has 8 divisors (see below), whose sum is σ = 2060070348. Its totient is φ = 686050560.

The previous prime is 1372740661. The next prime is 1372740679. The reversal of 1372740674 is 4760472731.

It can be written as a sum of positive squares in 2 ways, for example, as 1235030449 + 137710225 = 35143^2 + 11735^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1372740679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154487 + ... + 163130.

Almost surely, 21372740674 is an apocalyptic number.

1372740674 is a deficient number, since it is larger than the sum of its proper divisors (687329674).

1372740674 is a wasteful number, since it uses less digits than its factorization.

1372740674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319780.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 1372740674 is about 37050.5151651094. The cubic root of 1372740674 is about 1111.3806573258.

The spelling of 1372740674 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, six hundred seventy-four".

Divisors: 1 2 2161 4322 317617 635234 686370337 1372740674