1372747346 has 8 divisors (see below), whose sum is σ = 2059288140. Its totient is φ = 686317968.

The previous prime is 1372747319. The next prime is 1372747349. The reversal of 1372747346 is 6437472731.

It can be written as a sum of positive squares in 2 ways, for example, as 1300684225 + 72063121 = 36065^2 + 8489^2 .

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 = 1372747297 and 1372747306.

It is not an unprimeable number, because it can be changed into a prime (1372747349) 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, 18140 + ... + 55448.

Almost surely, 2^1372747346 is an apocalyptic number.

1372747346 is a deficient number, since it is larger than the sum of its proper divisors (686540794).

1372747346 is a wasteful number, since it uses less digits than its factorization.

1372747346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55708.

The product of its digits is 592704, while the sum is 44.

The square root of 1372747346 is about 37050.6052042338. The cubic root of 1372747346 is about 1111.3824578892.

The spelling of 1372747346 in words is "one billion, three hundred seventy-two million, seven hundred forty-seven thousand, three hundred forty-six".