1352778674 has 16 divisors (see below), whose sum is σ = 2186714880. Its totient is φ = 623943120.

The previous prime is 1352778653. The next prime is 1352778677. The reversal of 1352778674 is 4768772531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1352778677) 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 7 ways as a sum of consecutive naturals, for example, 24287 + ... + 57405.

It is an arithmetic number, because the mean of its divisors is an integer number (136669680).

Almost surely, 2^1352778674 is an apocalyptic number.

1352778674 is a deficient number, since it is larger than the sum of its proper divisors (833936206).

1352778674 is a wasteful number, since it uses less digits than its factorization.

1352778674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34705.

The product of its digits is 1975680, while the sum is 50.

The square root of 1352778674 is about 36780.1396680328. The cubic root of 1352778674 is about 1105.9672056828.

The spelling of 1352778674 in words is "one billion, three hundred fifty-two million, seven hundred seventy-eight thousand, six hundred seventy-four".