61473669 has 4 divisors (see below), whose sum is σ = 81964896. Its totient is φ = 40982444.

The previous prime is 61473667. The next prime is 61473679. The reversal of 61473669 is 96637416.

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 61473669 - 2¹ = 61473667 is a prime.

It is a super-2 number, since 2×61473669² = 7558023960643122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61473669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61473667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10245609 + ... + 10245614.

It is an arithmetic number, because the mean of its divisors is an integer number (20491224).

Almost surely, 2^61473669 is an apocalyptic number.

It is an amenable number.

61473669 is a deficient number, since it is larger than the sum of its proper divisors (20491227).

61473669 is a wasteful number, since it uses less digits than its factorization.

61473669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20491226.

The product of its digits is 163296, while the sum is 42.

The square root of 61473669 is about 7840.5145877040. The cubic root of 61473669 is about 394.6659976318.

The spelling of 61473669 in words is "sixty-one million, four hundred seventy-three thousand, six hundred sixty-nine".