1072695407780 has 48 divisors (see below), whose sum is σ = 2338631673840. Its totient is φ = 412807987200.

The previous prime is 1072695407699. The next prime is 1072695407813. The reversal of 1072695407780 is 877045962701.

It can be written as a sum of positive squares in 8 ways, for example, as 58231481344 + 1014463926436 = 241312^2 + 1007206^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3127901 + ... + 3453860.

It is an arithmetic number, because the mean of its divisors is an integer number (48721493205).

Almost surely, 2^{1072695407780} is an apocalyptic number.

1072695407780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072695407780 is an abundant number, since it is smaller than the sum of its proper divisors (1265936266060).

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

1072695407780 is a wasteful number, since it uses less digits than its factorization.

1072695407780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582080 (or 6582078 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 1072695407780 in words is "one trillion, seventy-two billion, six hundred ninety-five million, four hundred seven thousand, seven hundred eighty".