1065747040 has 24 divisors (see below), whose sum is σ = 2517827760. Its totient is φ = 426298752.

The previous prime is 1065747037. The next prime is 1065747041. The reversal of 1065747040 is 407475601.

It is a happy number.

It is a super-2 number, since 2×1065747040² = 2271633506537523200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065746987 and 1065747005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065747041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3330300 + ... + 3330619.

It is an arithmetic number, because the mean of its divisors is an integer number (104909490).

Almost surely, 2^1065747040 is an apocalyptic number.

1065747040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065747040 is an abundant number, since it is smaller than the sum of its proper divisors (1452080720).

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

1065747040 is an equidigital number, since it uses as much as digits as its factorization.

1065747040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660934 (or 6660926 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1065747040 is about 32645.7813507350. The cubic root of 1065747040 is about 1021.4521926871.

The spelling of 1065747040 in words is "one billion, sixty-five million, seven hundred forty-seven thousand, forty".