61522673 has 8 divisors (see below), whose sum is σ = 63141120. Its totient is φ = 59909920.

The previous prime is 61522661. The next prime is 61522679. The reversal of 61522673 is 37622516.

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

It is a cyclic number.

It is not a de Polignac number, because 61522673 - 2¹² = 61518577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61522679) 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, 28436 + ... + 30522.

It is an arithmetic number, because the mean of its divisors is an integer number (7892640).

Almost surely, 2^61522673 is an apocalyptic number.

It is an amenable number.

61522673 is a deficient number, since it is larger than the sum of its proper divisors (1618447).

61522673 is a wasteful number, since it uses less digits than its factorization.

61522673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its digits is 15120, while the sum is 32.

The square root of 61522673 is about 7843.6390151511. The cubic root of 61522673 is about 394.7708396783.

The spelling of 61522673 in words is "sixty-one million, five hundred twenty-two thousand, six hundred seventy-three".