61826791 has 6 divisors (see below), whose sum is σ = 66948720. Its totient is φ = 57070728.

The previous prime is 61826767. The next prime is 61826813. The reversal of 61826791 is 19762816.

It is not a de Polignac number, because 61826791 - 2⁵ = 61826759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61826701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182751 + ... + 183088.

It is an arithmetic number, because the mean of its divisors is an integer number (11158120).

Almost surely, 2^61826791 is an apocalyptic number.

61826791 is a deficient number, since it is larger than the sum of its proper divisors (5121929).

61826791 is a wasteful number, since it uses less digits than its factorization.

61826791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365865 (or 365852 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 61826791 is about 7863.0013989570. The cubic root of 61826791 is about 395.4202460008.

The spelling of 61826791 in words is "sixty-one million, eight hundred twenty-six thousand, seven hundred ninety-one".