1373785674 has 32 divisors (see below), whose sum is σ = 2950183296. Its totient is φ = 424919040.

The previous prime is 1373785663. The next prime is 1373785681. The reversal of 1373785674 is 4765873731.

It is a super-3 number, since 3×1373785674³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87607 + ... + 102090.

It is an arithmetic number, because the mean of its divisors is an integer number (92193228).

Almost surely, 2^1373785674 is an apocalyptic number.

1373785674 is an abundant number, since it is smaller than the sum of its proper divisors (1576397622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373785674 is a wasteful number, since it uses less digits than its factorization.

1373785674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189790.

The product of its digits is 2963520, while the sum is 51.

The square root of 1373785674 is about 37064.6148502854. The cubic root of 1373785674 is about 1111.6625989505.

The spelling of 1373785674 in words is "one billion, three hundred seventy-three million, seven hundred eighty-five thousand, six hundred seventy-four".