1672768740 has 48 divisors (see below), whose sum is σ = 4930269120. Its totient is φ = 422593920.

The previous prime is 1672768729. The next prime is 1672768753. The reversal of 1672768740 is 478672761.

1672768740 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1672768740³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1672768740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732531 + ... + 734810.

It is an arithmetic number, because the mean of its divisors is an integer number (102713940).

Almost surely, 2^1672768740 is an apocalyptic number.

1672768740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672768740 is an abundant number, since it is smaller than the sum of its proper divisors (3257500380).

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

1672768740 is a wasteful number, since it uses less digits than its factorization.

1672768740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467372 (or 1467370 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 1672768740 is about 40899.4955959117. The cubic root of 1672768740 is about 1187.0763007722.

The spelling of 1672768740 in words is "one billion, six hundred seventy-two million, seven hundred sixty-eight thousand, seven hundred forty".