61624874 has 8 divisors (see below), whose sum is σ = 92474148. Its totient is φ = 30800160.

The previous prime is 61624873. The next prime is 61624877. The reversal of 61624874 is 47842616.

It can be written as a sum of positive squares in 2 ways, for example, as 61512649 + 112225 = 7843^2 + 335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61624873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654 + ... + 11414.

Almost surely, 2^61624874 is an apocalyptic number.

61624874 is a deficient number, since it is larger than the sum of its proper divisors (30849274).

61624874 is a wasteful number, since it uses less digits than its factorization.

61624874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280.

The product of its digits is 64512, while the sum is 38.

The square root of 61624874 is about 7850.1512087348. The cubic root of 61624874 is about 394.9893155258.

The spelling of 61624874 in words is "sixty-one million, six hundred twenty-four thousand, eight hundred seventy-four".