61306746 has 16 divisors (see below), whose sum is σ = 122693184. Its totient is φ = 20422304.

The previous prime is 61306741. The next prime is 61306757. The reversal of 61306746 is 64760316.

It is not an unprimeable number, because it can be changed into a prime (61306741) 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, 12430 + ... + 16646.

It is an arithmetic number, because the mean of its divisors is an integer number (7668324).

Almost surely, 2^61306746 is an apocalyptic number.

61306746 is an abundant number, since it is smaller than the sum of its proper divisors (61386438).

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

61306746 is a wasteful number, since it uses less digits than its factorization.

61306746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 61306746 is about 7829.8624508991. The cubic root of 61306746 is about 394.3084540325.

The spelling of 61306746 in words is "sixty-one million, three hundred six thousand, seven hundred forty-six".