61576073 has 16 divisors (see below), whose sum is σ = 67568256. Its totient is φ = 55776000.

The previous prime is 61576051. The next prime is 61576127. The reversal of 61576073 is 37067516.

It is a cyclic number.

It is not a de Polignac number, because 61576073 - 2⁸ = 61575817 is a prime.

It is a super-2 number, since 2×61576073² = 7583225532202658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61576033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245198 + ... + 245448.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 2^61576073 is an apocalyptic number.

It is an amenable number.

61576073 is a deficient number, since it is larger than the sum of its proper divisors (5992183).

61576073 is a wasteful number, since it uses less digits than its factorization.

61576073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 61576073 is about 7847.0423090487. The cubic root of 61576073 is about 394.8850234178.

The spelling of 61576073 in words is "sixty-one million, five hundred seventy-six thousand, seventy-three".