1672672425 has 48 divisors (see below), whose sum is σ = 2915622912. Its totient is φ = 844891200.

The previous prime is 1672672403. The next prime is 1672672459. The reversal of 1672672425 is 5242762761.

It is not a de Polignac number, because 1672672425 - 2⁷ = 1672672297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101622 + ... + 116928.

It is an arithmetic number, because the mean of its divisors is an integer number (60742144).

Almost surely, 2^1672672425 is an apocalyptic number.

1672672425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1672672425 is a deficient number, since it is larger than the sum of its proper divisors (1242950487).

1672672425 is a wasteful number, since it uses less digits than its factorization.

1672672425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15398 (or 15393 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 1672672425 is about 40898.3181194533. The cubic root of 1672672425 is about 1187.0535170991.

The spelling of 1672672425 in words is "one billion, six hundred seventy-two million, six hundred seventy-two thousand, four hundred twenty-five".