61995472 has 40 divisors (see below), whose sum is σ = 149758272. Its totient is φ = 24153600.

The previous prime is 61995463. The next prime is 61995497. The reversal of 61995472 is 27459916.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23929 + ... + 26392.

Almost surely, 2^61995472 is an apocalyptic number.

It is an amenable number.

61995472 is an abundant number, since it is smaller than the sum of its proper divisors (87762800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61995472 is a wasteful number, since it uses less digits than its factorization.

61995472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50347 (or 50341 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 61995472 is about 7873.7203404744. The cubic root of 61995472 is about 395.7795256081.

It can be divided in two parts, 619954 and 72, that added together give a palindrome (620026).

The spelling of 61995472 in words is "sixty-one million, nine hundred ninety-five thousand, four hundred seventy-two".