1075690 has 48 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 332640.

The previous prime is 1075681. The next prime is 1075691. The reversal of 1075690 is 965701.

It is a happy number.

It is a super-2 number, since 2×1075690² = 2314217952200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8407 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (51072).

2^1075690 is an apocalyptic number.

1075690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1075690 is the 847-th pentagonal number.

1075690 is an abundant number, since it is smaller than the sum of its proper divisors (1375766).

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

1075690 is a wasteful number, since it uses less digits than its factorization.

1075690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1075690 is about 1037.1547618364. The cubic root of 1075690 is about 102.4618934295.

It can be divided in two parts, 10 and 75690, that multiplied together give a square (756900 = 870²).

The spelling of 1075690 in words is "one million, seventy-five thousand, six hundred ninety".