61124072 has 16 divisors (see below), whose sum is σ = 114700740. Its totient is φ = 30537216.

The previous prime is 61124053. The next prime is 61124101. The reversal of 61124072 is 27042116.

It can be written as a sum of positive squares in 2 ways, for example, as 49928356 + 11195716 = 7066^2 + 3346^2 .

It is a super-2 number, since 2×61124072² = 7472304355722368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11288 + ... + 15800.

Almost surely, 2^61124072 is an apocalyptic number.

It is an amenable number.

61124072 is a deficient number, since it is larger than the sum of its proper divisors (53576668).

61124072 is a wasteful number, since it uses less digits than its factorization.

61124072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212 (or 6208 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 61124072 is about 7818.1885369950. The cubic root of 61124072 is about 393.9164277726.

Adding to 61124072 its reverse (27042116), we get a palindrome (88166188).

The spelling of 61124072 in words is "sixty-one million, one hundred twenty-four thousand, seventy-two".