1373785242 has 32 divisors (see below), whose sum is σ = 2823657408. Its totient is φ = 445339776.

The previous prime is 1373785241. The next prime is 1373785277. The reversal of 1373785242 is 2425873731.

It is a happy number.

It is a super-2 number, since 2×1373785242² = 3774571782273997128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1373785194 and 1373785203.

It is not an unprimeable number, because it can be changed into a prime (1373785241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48688 + ... + 71540.

It is an arithmetic number, because the mean of its divisors is an integer number (88239294).

Almost surely, 2^1373785242 is an apocalyptic number.

1373785242 is an abundant number, since it is smaller than the sum of its proper divisors (1449872166).

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

1373785242 is a wasteful number, since it uses less digits than its factorization.

1373785242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23134.

The product of its digits is 282240, while the sum is 42.

The square root of 1373785242 is about 37064.6090226243. The cubic root of 1373785242 is about 1111.6624824262.

The spelling of 1373785242 in words is "one billion, three hundred seventy-three million, seven hundred eighty-five thousand, two hundred forty-two".