61382715 has 32 divisors (see below), whose sum is σ = 102263040. Its totient is φ = 31414656.

The previous prime is 61382701. The next prime is 61382719. The reversal of 61382715 is 51728316.

It is not a de Polignac number, because 61382715 - 2⁵ = 61382683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61382719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37249 + ... + 38861.

It is an arithmetic number, because the mean of its divisors is an integer number (3195720).

Almost surely, 2^61382715 is an apocalyptic number.

61382715 is a deficient number, since it is larger than the sum of its proper divisors (40880325).

61382715 is a wasteful number, since it uses less digits than its factorization.

61382715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its digits is 10080, while the sum is 33.

The square root of 61382715 is about 7834.7121836096. The cubic root of 61382715 is about 394.4712575100.

The spelling of 61382715 in words is "sixty-one million, three hundred eighty-two thousand, seven hundred fifteen".