1065722374 has 16 divisors (see below), whose sum is σ = 1606832640. Its totient is φ = 530119240.

The previous prime is 1065722311. The next prime is 1065722377. The reversal of 1065722374 is 4732275601.

It is a happy number.

It is a super-2 number, since 2×1065722374² = 2271528356888391752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065722377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351027 + ... + 354049.

It is an arithmetic number, because the mean of its divisors is an integer number (100427040).

Almost surely, 2^1065722374 is an apocalyptic number.

1065722374 is a deficient number, since it is larger than the sum of its proper divisors (541110266).

1065722374 is a wasteful number, since it uses less digits than its factorization.

1065722374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1065722374 is about 32645.4035661990. The cubic root of 1065722374 is about 1021.4443123511. Note that the first 3 decimals are identical.

Adding to 1065722374 its reverse (4732275601), we get a palindrome (5797997975).

The spelling of 1065722374 in words is "one billion, sixty-five million, seven hundred twenty-two thousand, three hundred seventy-four".