61873234 has 36 divisors (see below), whose sum is σ = 105194862. Its totient is φ = 27195840.

The previous prime is 61873219. The next prime is 61873247. The reversal of 61873234 is 43237816.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45495025 + 16378209 = 6745^2 + 4047^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 61873234.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 871419 + ... + 871489.

Almost surely, 2^61873234 is an apocalyptic number.

61873234 is a deficient number, since it is larger than the sum of its proper divisors (43321628).

61873234 is a wasteful number, since it uses less digits than its factorization.

61873234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 109 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 61873234 is about 7865.9541061463. The cubic root of 61873234 is about 395.5192317089.

Multiplying 61873234 by its sum of digits (34), we get a square (2103689956 = 45866²).

61873234 divided by its sum of digits (34) gives a square (1819801 = 1349²).

The spelling of 61873234 in words is "sixty-one million, eight hundred seventy-three thousand, two hundred thirty-four".