1672756040 has 32 divisors (see below), whose sum is σ = 3766366080. Its totient is φ = 668628672.

The previous prime is 1672756037. The next prime is 1672756069. The reversal of 1672756040 is 406572761.

It is a super-2 number, since 2×1672756040² = 5596225538712963200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1672755985 and 1672756003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45419 + ... + 73541.

It is an arithmetic number, because the mean of its divisors is an integer number (117698940).

Almost surely, 2^1672756040 is an apocalyptic number.

1672756040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672756040 is an abundant number, since it is smaller than the sum of its proper divisors (2093610040).

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

1672756040 is a wasteful number, since it uses less digits than its factorization.

1672756040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29621 (or 29617 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 1672756040 is about 40899.3403369785. The cubic root of 1672756040 is about 1187.0732965898.

The spelling of 1672756040 in words is "one billion, six hundred seventy-two million, seven hundred fifty-six thousand, forty".