61450073 has 4 divisors (see below), whose sum is σ = 61489920. Its totient is φ = 61410228.

The previous prime is 61450069. The next prime is 61450097. The reversal of 61450073 is 37005416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61450073 - 2² = 61450069 is a prime.

It is a super-2 number, since 2×61450073² = 7552222943410658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61455073) 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, 17513 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (15372480).

Almost surely, 2^61450073 is an apocalyptic number.

It is an amenable number.

61450073 is a deficient number, since it is larger than the sum of its proper divisors (39847).

61450073 is a wasteful number, since it uses less digits than its factorization.

61450073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39846.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 61450073 is about 7839.0096951082. The cubic root of 61450073 is about 394.6154950845.

Adding to 61450073 its reverse (37005416), we get a palindrome (98455489).

The spelling of 61450073 in words is "sixty-one million, four hundred fifty thousand, seventy-three".