61127340 has 24 divisors (see below), whose sum is σ = 171156720. Its totient is φ = 16300608.

The previous prime is 61127329. The next prime is 61127347. The reversal of 61127340 is 4372116.

It is a self number, because there is not a number n which added to its sum of digits gives 61127340.

It is not an unprimeable number, because it can be changed into a prime (61127347) 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, 509335 + ... + 509454.

It is an arithmetic number, because the mean of its divisors is an integer number (7131530).

Almost surely, 2^61127340 is an apocalyptic number.

61127340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61127340 is an abundant number, since it is smaller than the sum of its proper divisors (110029380).

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

61127340 is a wasteful number, since it uses less digits than its factorization.

61127340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018801 (or 1018799 counting only the distinct ones).

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

The square root of 61127340 is about 7818.3975340219. The cubic root of 61127340 is about 393.9234478980.

Adding to 61127340 its reverse (4372116), we get a palindrome (65499456).

The spelling of 61127340 in words is "sixty-one million, one hundred twenty-seven thousand, three hundred forty".