1672609522 has 4 divisors (see below), whose sum is σ = 2508914286. Its totient is φ = 836304760.

The previous prime is 1672609513. The next prime is 1672609529. The reversal of 1672609522 is 2259062761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1617567961 + 55041561 = 40219^2 + 7419^2 .

It is a super-2 number, since 2×1672609522² = 5595245226170136968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1672609529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418152379 + ... + 418152382.

Almost surely, 2^1672609522 is an apocalyptic number.

1672609522 is a deficient number, since it is larger than the sum of its proper divisors (836304764).

1672609522 is an equidigital number, since it uses as much as digits as its factorization.

1672609522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836304763.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1672609522 is about 40897.5490952698. The cubic root of 1672609522 is about 1187.0386366873.

The spelling of 1672609522 in words is "one billion, six hundred seventy-two million, six hundred nine thousand, five hundred twenty-two".