61226748 has 36 divisors (see below), whose sum is σ = 168838488. Its totient is φ = 18553440.

The previous prime is 61226747. The next prime is 61226783. The reversal of 61226748 is 84762216.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61226747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76911 + ... + 77702.

It is an arithmetic number, because the mean of its divisors is an integer number (4689958).

Almost surely, 2^61226748 is an apocalyptic number.

It is an amenable number.

61226748 is an abundant number, since it is smaller than the sum of its proper divisors (107611740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61226748 is a wasteful number, since it uses less digits than its factorization.

61226748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154634 (or 154629 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 61226748 is about 7824.7522644490. The cubic root of 61226748 is about 394.1368708596.

The spelling of 61226748 in words is "sixty-one million, two hundred twenty-six thousand, seven hundred forty-eight".