61264073 has 8 divisors (see below), whose sum is σ = 69857928. Its totient is φ = 53224704.

The previous prime is 61264067. The next prime is 61264079. The reversal of 61264073 is 37046216.

61264073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61264067) and next prime (61264079).

It can be written as a sum of positive squares in 4 ways, for example, as 12306064 + 48958009 = 3508^2 + 6997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61264073 - 2⁴ = 61264057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61264079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 138386 + ... + 138827.

It is an arithmetic number, because the mean of its divisors is an integer number (8732241).

Almost surely, 2^61264073 is an apocalyptic number.

It is an amenable number.

61264073 is a deficient number, since it is larger than the sum of its proper divisors (8593855).

61264073 is a wasteful number, since it uses less digits than its factorization.

61264073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277243.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 61264073 is about 7827.1369606006. The cubic root of 61264073 is about 394.2169457223.

The spelling of 61264073 in words is "sixty-one million, two hundred sixty-four thousand, seventy-three".