73770770 has 8 divisors (see below), whose sum is σ = 132787404. Its totient is φ = 29508304.

The previous prime is 73770737. The next prime is 73770773. The reversal of 73770770 is 7707737.

It can be written as a sum of positive squares in 2 ways, for example, as 68873401 + 4897369 = 8299^2 + 2213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (73770773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3688529 + ... + 3688548.

Almost surely, 2^73770770 is an apocalyptic number.

73770770 is a deficient number, since it is larger than the sum of its proper divisors (59016634).

73770770 is a wasteful number, since it uses less digits than its factorization.

73770770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377084.

The product of its (nonzero) digits is 50421, while the sum is 38.

The square root of 73770770 is about 8588.9912096823. The cubic root of 73770770 is about 419.3996903781.

The spelling of 73770770 in words is "seventy-three million, seven hundred seventy thousand, seven hundred seventy".