1672409740 has 12 divisors (see below), whose sum is σ = 3512060496. Its totient is φ = 668963888.

The previous prime is 1672409701. The next prime is 1672409747. The reversal of 1672409740 is 479042761.

It is a junction number, because it is equal to n+sod(n) for n = 1672409693 and 1672409702.

It is not an unprimeable number, because it can be changed into a prime (1672409747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41810224 + ... + 41810263.

It is an arithmetic number, because the mean of its divisors is an integer number (292671708).

Almost surely, 2^1672409740 is an apocalyptic number.

1672409740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672409740 is an abundant number, since it is smaller than the sum of its proper divisors (1839650756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672409740 is a wasteful number, since it uses less digits than its factorization.

1672409740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83620496 (or 83620494 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 1672409740 is about 40895.1065532296. The cubic root of 1672409740 is about 1186.9913735351.

The spelling of 1672409740 in words is "one billion, six hundred seventy-two million, four hundred nine thousand, seven hundred forty".