1373570690 has 8 divisors (see below), whose sum is σ = 2472427260. Its totient is φ = 549428272.

The previous prime is 1373570689. The next prime is 1373570711. The reversal of 1373570690 is 960753731.

It can be written as a sum of positive squares in 2 ways, for example, as 1273990249 + 99580441 = 35693^2 + 9979^2 .

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

It is a super-2 number, since 2×1373570690² = 3773392880854152200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68678525 + ... + 68678544.

Almost surely, 2^1373570690 is an apocalyptic number.

1373570690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373570690 is a deficient number, since it is larger than the sum of its proper divisors (1098856570).

1373570690 is a wasteful number, since it uses less digits than its factorization.

1373570690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137357076.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 1373570690 is about 37061.7146122518. The cubic root of 1373570690 is about 1111.6046078232.

The spelling of 1373570690 in words is "one billion, three hundred seventy-three million, five hundred seventy thousand, six hundred ninety".