1061072340 has 192 divisors, whose sum is σ = 3390750720. Its totient is φ = 246343680.

The previous prime is 1061072339. The next prime is 1061072407. The reversal of 1061072340 is 432701601.

It is a super-2 number, since 2×1061072340² = 2251749021426151200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061072340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 726531 + ... + 727989.

It is an arithmetic number, because the mean of its divisors is an integer number (17660160).

Almost surely, 2^1061072340 is an apocalyptic number.

1061072340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061072340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695375360).

1061072340 is an abundant number, since it is smaller than the sum of its proper divisors (2329678380).

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

1061072340 is a wasteful number, since it uses less digits than its factorization.

1061072340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1061072340 is about 32574.1053599328. The cubic root of 1061072340 is about 1019.9565340955.

Adding to 1061072340 its reverse (432701601), we get a palindrome (1493773941).

The spelling of 1061072340 in words is "one billion, sixty-one million, seventy-two thousand, three hundred forty".