61632475 has 6 divisors (see below), whose sum is σ = 76424300. Its totient is φ = 49305960.

The previous prime is 61632469. The next prime is 61632499. The reversal of 61632475 is 57423616.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-61632475 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61632475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1232625 + ... + 1232674.

Almost surely, 2^61632475 is an apocalyptic number.

61632475 is a deficient number, since it is larger than the sum of its proper divisors (14791825).

61632475 is a wasteful number, since it uses less digits than its factorization.

61632475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465309 (or 2465304 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 61632475 is about 7850.6353246091. The cubic root of 61632475 is about 395.0055545873.

The spelling of 61632475 in words is "sixty-one million, six hundred thirty-two thousand, four hundred seventy-five".