1749120172 has 6 divisors (see below), whose sum is σ = 3060960308. Its totient is φ = 874560084.

The previous prime is 1749120143. The next prime is 1749120173. The reversal of 1749120172 is 2710219471.

It is not an unprimeable number, because it can be changed into a prime (1749120173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218640018 + ... + 218640025.

Almost surely, 2^1749120172 is an apocalyptic number.

It is an amenable number.

1749120172 is a deficient number, since it is larger than the sum of its proper divisors (1311840136).

1749120172 is a wasteful number, since it uses less digits than its factorization.

1749120172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437280047 (or 437280045 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1749120172 is about 41822.4840486550. The cubic root of 1749120172 is about 1204.8691448385.

The spelling of 1749120172 in words is "one billion, seven hundred forty-nine million, one hundred twenty thousand, one hundred seventy-two".