61268742 has 24 divisors (see below), whose sum is σ = 135255744. Its totient is φ = 20037264.

The previous prime is 61268723. The next prime is 61268771. The reversal of 61268742 is 24786216.

61268742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61268697 and 61268706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31158 + ... + 33065.

It is an arithmetic number, because the mean of its divisors is an integer number (5635656).

Almost surely, 2^61268742 is an apocalyptic number.

61268742 is an abundant number, since it is smaller than the sum of its proper divisors (73987002).

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

61268742 is a wasteful number, since it uses less digits than its factorization.

61268742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64284 (or 64281 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 61268742 is about 7827.4352121241. The cubic root of 61268742 is about 394.2269600318.

The spelling of 61268742 in words is "sixty-one million, two hundred sixty-eight thousand, seven hundred forty-two".