1373630 has 8 divisors (see below), whose sum is σ = 2472552. Its totient is φ = 549448.

The previous prime is 1373627. The next prime is 1373639. The reversal of 1373630 is 363731.

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

It is a junction number, because it is equal to n+sod(n) for n = 1373596 and 1373605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68672 + ... + 68691.

It is an arithmetic number, because the mean of its divisors is an integer number (309069).

2^1373630 is an apocalyptic number.

1373630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373630 is a deficient number, since it is larger than the sum of its proper divisors (1098922).

1373630 is a wasteful number, since it uses less digits than its factorization.

1373630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137370.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1373630 is about 1172.0196244091. The cubic root of 1373630 is about 111.1620607078.

Adding to 1373630 its sum of digits (23), we get a triangular number (1373653 = T₁₆₅₇).

The spelling of 1373630 in words is "one million, three hundred seventy-three thousand, six hundred thirty".