61736423 has 6 divisors (see below), whose sum is σ = 71815896. Its totient is φ = 52916892.

The previous prime is 61736317. The next prime is 61736429. The reversal of 61736423 is 32463716.

It is not a de Polignac number, because 61736423 - 2¹² = 61732327 is a prime.

It is a super-2 number, since 2×61736423² = 7622771849669858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61736423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61736429) 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, 629915 + ... + 630012.

It is an arithmetic number, because the mean of its divisors is an integer number (11969316).

Almost surely, 2^61736423 is an apocalyptic number.

61736423 is a deficient number, since it is larger than the sum of its proper divisors (10079473).

61736423 is a wasteful number, since it uses less digits than its factorization.

61736423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259941 (or 1259934 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 61736423 is about 7857.2528914373. The cubic root of 61736423 is about 395.2274991348.

The spelling of 61736423 in words is "sixty-one million, seven hundred thirty-six thousand, four hundred twenty-three".