1722475 has 6 divisors (see below), whose sum is σ = 2135900. Its totient is φ = 1377960.

The previous prime is 1722463. The next prime is 1722481. The reversal of 1722475 is 5742271.

It is not a de Polignac number, because 1722475 - 2⁵ = 1722443 is a prime.

1722475 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34425 + ... + 34474.

2^1722475 is an apocalyptic number.

1722475 is a deficient number, since it is larger than the sum of its proper divisors (413425).

1722475 is an equidigital number, since it uses as much as digits as its factorization.

1722475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68909 (or 68904 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 1722475 is about 1312.4309505646. The cubic root of 1722475 is about 119.8719699326.

It can be divided in two parts, 1722 and 475, that added together give a cube (2197 = 13³).

The spelling of 1722475 in words is "one million, seven hundred twenty-two thousand, four hundred seventy-five".