1672367625 has 48 divisors (see below), whose sum is σ = 3096277392. Its totient is φ = 867801600.

The previous prime is 1672367579. The next prime is 1672367647. The reversal of 1672367625 is 5267632761.

1672367625 is a `hidden beast` number, since 16 + 7 + 2 + 3 + 6 + 7 + 625 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 18481401 + 1653886224 = 4299^2 + 40668^2 .

It is not a de Polignac number, because 1672367625 - 2⁶ = 1672367561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21537 + ... + 61713.

It is an arithmetic number, because the mean of its divisors is an integer number (64505779).

Almost surely, 2^1672367625 is an apocalyptic number.

1672367625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1672367625 is a deficient number, since it is larger than the sum of its proper divisors (1423909767).

1672367625 is a wasteful number, since it uses less digits than its factorization.

1672367625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40235 (or 40222 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 1672367625 is about 40894.5916350805. The cubic root of 1672367625 is about 1186.9814097564.

It can be divided in two parts, 16723 and 67625, that added together give a palindrome (84348).

The spelling of 1672367625 in words is "one billion, six hundred seventy-two million, three hundred sixty-seven thousand, six hundred twenty-five".