61872075 has 72 divisors (see below), whose sum is σ = 119836080. Its totient is φ = 30412800.

The previous prime is 61872067. The next prime is 61872119. The reversal of 61872075 is 57027816.

It is not a de Polignac number, because 61872075 - 2³ = 61872067 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 175099 + ... + 175451.

It is an arithmetic number, because the mean of its divisors is an integer number (1664390).

Almost surely, 2^61872075 is an apocalyptic number.

61872075 is a deficient number, since it is larger than the sum of its proper divisors (57964005).

61872075 is a wasteful number, since it uses less digits than its factorization.

61872075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 61872075 is about 7865.8804338739. The cubic root of 61872075 is about 395.5167620915.

The spelling of 61872075 in words is "sixty-one million, eight hundred seventy-two thousand, seventy-five".