61872074 has 16 divisors (see below), whose sum is σ = 101428416. Its totient is φ = 28072800.

The previous prime is 61872067. The next prime is 61872119. The reversal of 61872074 is 47027816.

It is a happy number.

61872074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61872074² = 7656307082122952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11654 + ... + 16110.

It is an arithmetic number, because the mean of its divisors is an integer number (6339276).

Almost surely, 2^61872074 is an apocalyptic number.

61872074 is a deficient number, since it is larger than the sum of its proper divisors (39556342).

61872074 is a wasteful number, since it uses less digits than its factorization.

61872074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 61872074 is about 7865.8803703082. The cubic root of 61872074 is about 395.5167599607.

The spelling of 61872074 in words is "sixty-one million, eight hundred seventy-two thousand, seventy-four".