61382793 has 4 divisors (see below), whose sum is σ = 81843728. Its totient is φ = 40921860.

The previous prime is 61382777. The next prime is 61382807. The reversal of 61382793 is 39728316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 61382793 - 2⁴ = 61382777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61382723) 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, 10230463 + ... + 10230468.

It is an arithmetic number, because the mean of its divisors is an integer number (20460932).

Almost surely, 2^61382793 is an apocalyptic number.

It is an amenable number.

61382793 is a deficient number, since it is larger than the sum of its proper divisors (20460935).

61382793 is a wasteful number, since it uses less digits than its factorization.

61382793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20460934.

The product of its digits is 54432, while the sum is 39.

The square root of 61382793 is about 7834.7171614552. The cubic root of 61382793 is about 394.4714245969.

The spelling of 61382793 in words is "sixty-one million, three hundred eighty-two thousand, seven hundred ninety-three".