61426072 has 16 divisors (see below), whose sum is σ = 115842240. Its totient is φ = 30534816.

The previous prime is 61426067. The next prime is 61426073. The reversal of 61426072 is 27062416.

It is a self number, because there is not a number n which added to its sum of digits gives 61426072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61426073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20808 + ... + 23575.

It is an arithmetic number, because the mean of its divisors is an integer number (7240140).

Almost surely, 2^61426072 is an apocalyptic number.

It is an amenable number.

61426072 is a deficient number, since it is larger than the sum of its proper divisors (54416168).

61426072 is a wasteful number, since it uses less digits than its factorization.

61426072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44562 (or 44558 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 61426072 is about 7837.4786762070. The cubic root of 61426072 is about 394.5641124504.

Adding to 61426072 its reverse (27062416), we get a palindrome (88488488).

The spelling of 61426072 in words is "sixty-one million, four hundred twenty-six thousand, seventy-two".