73426770 has 64 divisors (see below), whose sum is σ = 197210880. Its totient is φ = 19440000.

The previous prime is 73426733. The next prime is 73426781. The reversal of 73426770 is 7762437.

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 31 ways as a sum of consecutive naturals, for example, 39870 + ... + 41670.

It is an arithmetic number, because the mean of its divisors is an integer number (3081420).

Almost surely, 2^73426770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73426770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98605440).

73426770 is an abundant number, since it is smaller than the sum of its proper divisors (123784110).

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

73426770 is a wasteful number, since it uses less digits than its factorization.

73426770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 73426770 is about 8568.9421750879. The cubic root of 73426770 is about 418.7467744609.

The spelling of 73426770 in words is "seventy-three million, four hundred twenty-six thousand, seven hundred seventy".