61802047 has 8 divisors (see below), whose sum is σ = 63438480. Its totient is φ = 60171840.

The previous prime is 61802011. The next prime is 61802063. The reversal of 61802047 is 74020816.

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

It is a cyclic number.

It is not a de Polignac number, because 61802047 - 2¹¹ = 61799999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61802947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23904 + ... + 26362.

It is an arithmetic number, because the mean of its divisors is an integer number (7929810).

Almost surely, 2^61802047 is an apocalyptic number.

61802047 is a deficient number, since it is larger than the sum of its proper divisors (1636433).

61802047 is a wasteful number, since it uses less digits than its factorization.

61802047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 61802047 is about 7861.4277965265. The cubic root of 61802047 is about 395.3674879436.

The spelling of 61802047 in words is "sixty-one million, eight hundred two thousand, forty-seven".