61159472 has 40 divisors (see below), whose sum is σ = 136879632. Its totient is φ = 26163200.

The previous prime is 61159457. The next prime is 61159477. The reversal of 61159472 is 27495116.

It is not an unprimeable number, because it can be changed into a prime (61159477) 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 7 ways as a sum of consecutive naturals, for example, 7229 + ... + 13212.

Almost surely, 2^61159472 is an apocalyptic number.

It is an amenable number.

61159472 is an abundant number, since it is smaller than the sum of its proper divisors (75720160).

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

61159472 is a wasteful number, since it uses less digits than its factorization.

61159472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20477 (or 20471 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 61159472 is about 7820.4521608408. The cubic root of 61159472 is about 393.9924586496.

The spelling of 61159472 in words is "sixty-one million, one hundred fifty-nine thousand, four hundred seventy-two".