61479675 has 24 divisors (see below), whose sum is σ = 112941680. Its totient is φ = 32788800.

The previous prime is 61479673. The next prime is 61479683. The reversal of 61479675 is 57697416.

It is a happy number.

It is not a de Polignac number, because 61479675 - 2¹ = 61479673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61479675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61479673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44866 + ... + 46215.

Almost surely, 2^61479675 is an apocalyptic number.

61479675 is a deficient number, since it is larger than the sum of its proper divisors (51462005).

61479675 is a wasteful number, since it uses less digits than its factorization.

61479675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91100 (or 91089 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 61479675 is about 7840.8975889244. The cubic root of 61479675 is about 394.6788502175.

The spelling of 61479675 in words is "sixty-one million, four hundred seventy-nine thousand, six hundred seventy-five".