73045770 has 192 divisors, whose sum is σ = 224570880. Its totient is φ = 15095808.

The previous prime is 73045729. The next prime is 73045781. The reversal of 73045770 is 7754037.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 924591 + ... + 924669.

It is an arithmetic number, because the mean of its divisors is an integer number (1169640).

Almost surely, 2^73045770 is an apocalyptic number.

73045770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73045770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112285440).

73045770 is an abundant number, since it is smaller than the sum of its proper divisors (151525110).

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

73045770 is a wasteful number, since it uses less digits than its factorization.

73045770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 73045770 is about 8546.6818122591. The cubic root of 73045770 is about 418.0212476703.

The spelling of 73045770 in words is "seventy-three million, forty-five thousand, seven hundred seventy".