61141740 has 48 divisors (see below), whose sum is σ = 186762240. Its totient is φ = 14822080.

The previous prime is 61141739. The next prime is 61141799. The reversal of 61141740 is 4714116.

It is a self number, because there is not a number n which added to its sum of digits gives 61141740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45660 + ... + 46979.

It is an arithmetic number, because the mean of its divisors is an integer number (3890880).

Almost surely, 2^61141740 is an apocalyptic number.

61141740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61141740 is an abundant number, since it is smaller than the sum of its proper divisors (125620500).

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

61141740 is a wasteful number, since it uses less digits than its factorization.

61141740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92662 (or 92660 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 61141740 is about 7819.3183846164. The cubic root of 61141740 is about 393.9543781510.

Adding to 61141740 its reverse (4714116), we get a palindrome (65855856).

The spelling of 61141740 in words is "sixty-one million, one hundred forty-one thousand, seven hundred forty".