61542024 has 16 divisors (see below), whose sum is σ = 153855120. Its totient is φ = 20514000.

The previous prime is 61542017. The next prime is 61542049. The reversal of 61542024 is 42024516.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2564251 = 61542024 / (6 + 1 + 5 + 4 + 2 + 0 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 61541985 and 61542003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282102 + ... + 1282149.

It is an arithmetic number, because the mean of its divisors is an integer number (9615945).

Almost surely, 2^61542024 is an apocalyptic number.

It is an amenable number.

61542024 is an abundant number, since it is smaller than the sum of its proper divisors (92313096).

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

61542024 is a wasteful number, since it uses less digits than its factorization.

61542024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564260 (or 2564256 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 61542024 is about 7844.8724655025. The cubic root of 61542024 is about 394.8122250156.

The spelling of 61542024 in words is "sixty-one million, five hundred forty-two thousand, twenty-four".